diff --git a/Cargo.lock b/Cargo.lock
index d1d6abd..24c80d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -44,16 +44,6 @@ name = "autocfg"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "bincode"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "bitflags"
 version = "1.0.4"
@@ -554,11 +544,9 @@ dependencies = [
 name = "rusty"
 version = "0.1.0"
 dependencies = [
- "bincode 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "image 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "imageproc 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "sfml 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -577,24 +565,6 @@ name = "scopeguard"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "serde"
-version = "1.0.89"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "serde_derive 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.89"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "sfml"
 version = "0.14.0"
@@ -705,7 +675,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
 "checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
 "checksum autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6d640bee2da49f60a4068a7fae53acde8982514ab7bae8b8cea9e88cbcfd799"
-"checksum bincode 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3efe0b4c8eaeed8600549c29f538a6a11bf422858d0ed435b1d70ec4ab101190"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
 "checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
 "checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
@@ -767,8 +736,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum safe-transmute 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9604873ffe1980bc1f179103704a65c8aca141c248d9e52b7af95ff10578166e"
 "checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
-"checksum serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)" = "92514fb95f900c9b5126e32d020f5c6d40564c27a5ea6d1d7d9f157a96623560"
-"checksum serde_derive 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)" = "bb6eabf4b5914e88e24eea240bb7c9f9a2cbc1bbbe8d961d381975ec3c6b806c"
 "checksum sfml 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "47b06f9db4d3f8b936d232d92bfbd6335060ae51ddcf1be2e79361aeb5c8fef1"
 "checksum sfml-build 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff35ae173aff95bc967d1b4f0e131a8aec384c317fd057738da4b0f71c8cf841"
 "checksum stb_truetype 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "69b7df505db8e81d54ff8be4693421e5b543e08214bd8d99eb761fcb4d5668ba"
diff --git a/Cargo.toml b/Cargo.toml
index 34b31fa..2d3ef3c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,8 +7,6 @@ edition = "2018"
 [dependencies]
 clap = "2.32.0"
 sfml = "0.14.0"
-serde = { version = "1.0.89", features = ["derive"] }
-bincode = "1.1.2"
 
 [build-dependencies]
 image = { version = "0.21.0" }
@@ -18,6 +16,3 @@ imageproc = "0.18.0"
 name = "rusty-maker"
 path = "src/app/game.rs"
 
-[[bin]]
-name = "rusty-editor"
-path = "src/app/editor/main.rs"
diff --git a/assets/levels/level1.lvl b/assets/levels/level1.lvl
index e579fd8..a09ce43 100644
Binary files a/assets/levels/level1.lvl and b/assets/levels/level1.lvl differ
diff --git a/assets/levels/level2.lvl b/assets/levels/level2.lvl
index 08e6acb..2e96908 100644
Binary files a/assets/levels/level2.lvl and b/assets/levels/level2.lvl differ
diff --git a/assets/textures/rusty-walking.png b/assets/textures/rusty-walking.png
new file mode 100644
index 0000000..45a1a4b
Binary files /dev/null and b/assets/textures/rusty-walking.png differ
diff --git a/assets/textures/rusty.png b/assets/textures/rusty.png
new file mode 100644
index 0000000..6805f4f
Binary files /dev/null and b/assets/textures/rusty.png differ
diff --git a/build.rs b/build.rs
index 7768444..29e2fbb 100644
--- a/build.rs
+++ b/build.rs
@@ -1,13 +1,13 @@
 use std::fs::create_dir_all;
 
-use image::{RgbaImage, GenericImage};
-use image::imageops::{rotate90, rotate180, rotate270};
+use image::imageops::{rotate180, rotate270, rotate90};
+use image::{GenericImage, RgbaImage};
 
 fn superpose(image: &RgbaImage, superposition: &RgbaImage) -> RgbaImage {
     let mut clone = image.clone();
 
-    for i in 0 .. image.width() {
-        for j in 0 .. image.height() {
+    for i in 0..image.width() {
+        for j in 0..image.height() {
             let new_pixel = superposition.get_pixel(i, j);
             if new_pixel[3] > 0 {
                 *clone.get_pixel_mut(i, j) = *new_pixel;
@@ -23,9 +23,9 @@ fn main() {
     let mut texture = image::open("assets/textures/grass.png").unwrap().to_rgba();
     let background = texture.sub_image(0, 0, 32, 32).to_image();
     let border = texture.sub_image(32, 0, 32, 32).to_image();
-    let corner_horiz = texture.sub_image(32 * 2 , 0, 32, 32).to_image();
-    let corner_vert =    texture.sub_image(32 * 3, 0, 32, 32).to_image();
-    let corner_inside =  texture.sub_image(32 * 4, 0, 32, 32).to_image();
+    let corner_horiz = texture.sub_image(32 * 2, 0, 32, 32).to_image();
+    let corner_vert = texture.sub_image(32 * 3, 0, 32, 32).to_image();
+    let corner_inside = texture.sub_image(32 * 4, 0, 32, 32).to_image();
     let corner_outside = texture.sub_image(32 * 5, 0, 32, 32).to_image();
     let mut background_color = texture.sub_image(32 * 6, 0, 32, 32);
     let background_color = background_color.get_pixel_mut(0, 0);
@@ -68,7 +68,13 @@ fn main() {
     let image_29 = superpose(&image_1, &image_28);
     vec.push(&image_29);
 
-    let image_31 = superpose(&superpose(&border, &superpose(&rotate90(&border), &rotate90(&corner_inside))), &corner_horiz);
+    let image_31 = superpose(
+        &superpose(
+            &border,
+            &superpose(&rotate90(&border), &rotate90(&corner_inside)),
+        ),
+        &corner_horiz,
+    );
     let image_31 = superpose(&image_31, &rotate180(&corner_vert));
     vec.push(&image_31);
 
@@ -132,8 +138,17 @@ fn main() {
     let image_125 = superpose(&image_1, &image_124);
     vec.push(&image_125);
 
-    let image_127 = superpose(&superpose(&border, &superpose(&rotate90(&border), &rotate90(&corner_inside))), &corner_horiz);
-    let image_127 = superpose(&superpose(&image_127, &rotate180(&corner_inside)), &rotate180(&border));
+    let image_127 = superpose(
+        &superpose(
+            &border,
+            &superpose(&rotate90(&border), &rotate90(&corner_inside)),
+        ),
+        &corner_horiz,
+    );
+    let image_127 = superpose(
+        &superpose(&image_127, &rotate180(&corner_inside)),
+        &rotate180(&border),
+    );
     let image_127 = superpose(&image_127, &rotate270(&corner_vert));
     vec.push(&image_127);
 
@@ -173,7 +188,13 @@ fn main() {
     let image_253 = rotate180(&image_223);
     vec.push(&image_253);
 
-    let image_255 = superpose(&border, &superpose(&rotate90(&border), &superpose(&rotate180(&border), &rotate270(&border))));
+    let image_255 = superpose(
+        &border,
+        &superpose(
+            &rotate90(&border),
+            &superpose(&rotate180(&border), &rotate270(&border)),
+        ),
+    );
     let image_255 = superpose(&image_255, &corner_inside);
     let image_255 = superpose(&image_255, &rotate90(&corner_inside));
     let image_255 = superpose(&image_255, &rotate180(&corner_inside));
@@ -182,8 +203,8 @@ fn main() {
 
     let mut output = RgbaImage::new(32 * 47, 32);
     for (index, image) in vec.into_iter().enumerate() {
-        for y in 0 .. image.width() {
-            for x in 0 .. image.height() {
+        for y in 0..image.width() {
+            for x in 0..image.height() {
                 let new_pixel = image.get_pixel(x, y);
                 if new_pixel != background_color {
                     *output.get_pixel_mut(x + 32 * index as u32, y) = *background.get_pixel(x, y);
@@ -197,5 +218,3 @@ fn main() {
 
     output.save("assets/textures-generated/grass.png").unwrap();
 }
-
-
diff --git a/src/app/editor/main.rs b/src/app/editor/main.rs
deleted file mode 100644
index 84481f4..0000000
--- a/src/app/editor/main.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-use clap::{App, crate_version};
-
-use rusty::app::editor::Editor;
-
-fn main() {
-    let _ = App::new("Rusty Editor")
-        .version(crate_version!())
-        .get_matches();
-
-    Editor::new().run();
-}
diff --git a/src/app/editor/mod.rs b/src/app/editor/mod.rs
deleted file mode 100644
index cb7f713..0000000
--- a/src/app/editor/mod.rs
+++ /dev/null
@@ -1,230 +0,0 @@
-use sfml::system::Vector2;
-use sfml::window::{Event, Key, mouse::Button as MouseButton};
-use sfml::graphics::{Color, RectangleShape, RenderTarget, Transformable, Shape};
-
-use crate::engine::renderer::Renderer;
-use crate::engine::map::{CollisionTile, Map};
-use crate::engine::texture::SPRITE_SIZE_I32;
-use crate::engine::font::Font;
-use crate::Result;
-
-/// An action caused by a button.
-#[derive(Copy, Clone)]
-pub enum Action {
-    /// Saves the level.
-    Save,
-}
-
-/// A button that can be clicked.
-pub struct Button {
-    /// The label of the button.
-    pub label: String,
-
-    /// The position of the button.
-    pub position: Vector2<f32>,
-
-    /// The size of the button.
-    pub size: Vector2<f32>,
-
-    /// The action of the button.
-    action: Action,
-}
-
-impl Button {
-    /// Creates a new button.
-    pub fn new(label: &str, action: Action, x: f32, y: f32, w: f32, h: f32) -> Button {
-        Button {
-            action,
-            label: label.to_owned(),
-            position: Vector2::new(x, y),
-            size: Vector2::new(w, h),
-        }
-    }
-
-    /// Returns the shape of the button.
-    pub fn shape(&self) -> RectangleShape {
-        let mut shape = RectangleShape::new();
-        shape.set_position(self.position + 0.1 * self.size);
-        shape.set_size(self.size - 0.2 * self.size);
-        shape.set_fill_color(&Color::rgb(255, 255, 255));
-        shape
-    }
-
-    /// Draws the button on the renderer.
-    pub fn render_on(&self, renderer: &mut Renderer) {
-        renderer.window_mut().draw(&self.shape());
-        renderer.draw_text(
-            &self.label,
-            Font::Sansation,
-            self.size.y as u32 / 2,
-            &Color::rgb(0, 0, 0)
-        );
-    }
-
-    /// Returns true if the coordinates fall inside the shape of the button.
-    pub fn contains(&self, x: f32, y: f32) -> bool {
-        let shape = self.shape();
-        x > shape.position().x && x < shape.position().x + shape.size().x &&
-        y > shape.position().y && y < shape.position().y + shape.size().y
-    }
-}
-
-/// Represents a level editor.
-pub struct Editor {
-    /// The renderer used by the editor.
-    renderer: Renderer,
-
-    /// The map being currently edited.
-    map: Map,
-
-    /// Indicates whether the editor is running or not.
-    running: bool,
-
-    /// The size of the left panel.
-    left_panel_size: Vector2<f32>,
-
-    /// The size of the top panel.
-    top_panel_size: Vector2<f32>,
-
-    /// The buttons of the menu bar.
-    menu_bar: Vec<Button>,
-}
-
-impl Editor {
-    /// Creates a new editor.
-    pub fn new() -> Editor {
-        let renderer = Renderer::new(800, 600, false);
-        let menu_bar = vec![
-            Button::new("Save", Action::Save, 0.0, 0.0, 50.0, 50.0),
-        ];
-
-        Editor {
-            map: Map::new(50, 50),
-            running: true,
-            top_panel_size: Vector2::new(renderer.window().size().x as f32, 50.0),
-            left_panel_size: Vector2::new(100.0, renderer.window().size().y as f32 - 50.0),
-            renderer,
-            menu_bar,
-        }
-    }
-
-    /// Runs the main loop of the editor.
-    pub fn run(&mut self) {
-        while self.running {
-            while let Some(event) = self.renderer.poll_event() {
-                self.manage_event(event);
-            }
-
-            self.render();
-        }
-    }
-
-    /// Manages the event occuring on the display.
-    pub fn manage_event(&mut self, event: Event) {
-
-        match event {
-            // Quit the game if window is closed
-            Event::Closed => self.running = false,
-
-            // Quit the game if escape is pressed
-            Event::KeyPressed {
-                code: Key::Escape, ..
-            } => self.running = false,
-
-            // A click on the screen
-            Event::MouseButtonPressed {
-                button: MouseButton::Left, x, y,
-            } => {
-                if x as f32 >= self.left_panel_size.x && y as f32 >= self.top_panel_size.y {
-                    let x = ((x - self.left_panel_size.x as i32) / SPRITE_SIZE_I32) as usize;
-                    let y = ((y - self.top_panel_size.y as i32) / SPRITE_SIZE_I32) as usize;
-
-                    if let Some(tile) = self.map.collision_tile(y, x) {
-                        if tile.is_empty() {
-                            self.map.set_tile(y, x, CollisionTile::full());
-                        } else {
-                            self.map.set_tile(y, x, CollisionTile::empty());
-                        }
-                    }
-                }
-
-                let mut actions = vec![];
-                for button in &self.menu_bar {
-                    if button.contains(x as f32, y as f32) {
-                        actions.push(button.action);
-                    }
-                }
-
-                for action in actions {
-                    if let Err(e) = self.apply_action(action) {
-                        eprintln!("warning: {}", e);
-                    }
-                }
-            },
-
-            _ => (),
-        }
-
-    }
-
-    /// Performs the rendering on the screen.
-    pub fn render(&mut self) {
-
-        self.renderer.clear();
-
-        // Show the top panel
-        let mut top_panel = RectangleShape::with_size(self.top_panel_size);
-        top_panel.set_fill_color(&Color::rgb(255, 0, 0));
-        self.renderer.window_mut().draw(&top_panel);
-
-        for button in &self.menu_bar {
-            button.render_on(&mut self.renderer);
-        }
-
-        // Show the left panel
-        let mut left_panel = RectangleShape::with_size(self.left_panel_size);
-        left_panel.set_position((0.0, self.top_panel_size.y));
-        left_panel.set_fill_color(&Color::rgb(0, 255, 0));
-        self.renderer.window_mut().draw(&left_panel);
-
-        // Show the map
-        for i in 0 .. self.map.rows() {
-            for j in 0 .. self.map.cols() {
-                let tile = self.map.at(i, j);
-                if tile.graphic.is_visible() {
-                    self.renderer.translate_and_draw(
-                        &tile,
-                        (self.left_panel_size.x, self.top_panel_size.y)
-                    );
-                }
-            }
-        }
-
-        // Draw the border of the map
-        let mut border = RectangleShape::new();
-        border.set_size(((
-            self.map.cols() * SPRITE_SIZE_I32 as usize) as f32,
-            (self.map.rows() * SPRITE_SIZE_I32 as usize) as f32
-        ));
-        border.set_position((self.left_panel_size.x, self.top_panel_size.y));
-        border.set_fill_color(&Color::rgba(0, 0, 0, 0));
-        border.set_outline_color(&Color::rgb(0, 0, 0));
-        border.set_outline_thickness(2.0);
-        self.renderer.window_mut().draw(&border);
-
-        // Display and manage the frame rate
-        self.renderer.display();
-    }
-
-    /// Saves the level.
-    pub fn export(&self) -> Result<()> {
-        self.map.save("level.lvl")
-    }
-
-    /// Applies the corresponding action.
-    pub fn apply_action(&mut self, action: Action) -> Result<()> {
-        match action {
-            Action::Save => self.export()
-        }
-    }
-}
diff --git a/src/app/game.rs b/src/app/game.rs
index 802dc5f..8e0177a 100644
--- a/src/app/game.rs
+++ b/src/app/game.rs
@@ -1,13 +1,13 @@
 use std::time::Instant;
 
-use clap::{App, Arg, crate_version};
+use clap::{crate_version, App, Arg};
 
 use sfml::window::{joystick, Event, Key};
 
 use rusty::engine::character::Character;
 use rusty::engine::controls::Controls;
-use rusty::engine::renderer::Renderer;
 use rusty::engine::map::Map;
+use rusty::engine::renderer::Renderer;
 use rusty::engine::scene::{Scene, State};
 
 fn parse_resolution(res: &str) -> Result<(u32, u32), String> {
@@ -33,24 +33,30 @@ fn parse_resolution(res: &str) -> Result<(u32, u32), String> {
 fn main() {
     let matches = App::new("Rusty Maker")
         .version(crate_version!())
-        .arg(Arg::with_name("resolution")
-            .short("r")
-            .long("resolution")
-            .value_name("WIDTHxHEIGHT")
-            .takes_value(true)
-            .default_value("800x450")
-            .validator(|x| parse_resolution(&x).map(|_| ())))
-        .arg(Arg::with_name("map")
-             .short("m")
-             .long("map")
-             .value_name("MAP")
-             .takes_value(true)
-             .default_value("assets/levels/level2.lvl")
-             .validator(|x| Map::load(x).map(|_| ()).map_err(|x| format!("{}", x))))
-        .arg(Arg::with_name("fullscreen")
-            .short("f")
-            .long("fullscreen")
-            .takes_value(false))
+        .arg(
+            Arg::with_name("resolution")
+                .short("r")
+                .long("resolution")
+                .value_name("WIDTHxHEIGHT")
+                .takes_value(true)
+                .default_value("800x450")
+                .validator(|x| parse_resolution(&x).map(|_| ())),
+        )
+        .arg(
+            Arg::with_name("map")
+                .short("m")
+                .long("map")
+                .value_name("MAP")
+                .takes_value(true)
+                .default_value("assets/levels/level2.lvl")
+                .validator(|x| Map::from_file(x).map(|_| ()).map_err(|x| format!("{}", x))),
+        )
+        .arg(
+            Arg::with_name("fullscreen")
+                .short("f")
+                .long("fullscreen")
+                .takes_value(false),
+        )
         .get_matches();
 
     let resolution = parse_resolution(matches.value_of("resolution").unwrap()).unwrap();
@@ -68,7 +74,7 @@ fn main() {
     let mut character = Character::with_controls(controls);
     character.set_position((10.0, 0.0));
 
-    let map = Map::load(matches.value_of("map").unwrap()).unwrap();
+    let map = Map::from_file(matches.value_of("map").unwrap()).unwrap();
     let mut scene = Scene::from_map(map);
     scene.add(character);
 
diff --git a/src/app/mod.rs b/src/app/mod.rs
deleted file mode 100644
index 1312550..0000000
--- a/src/app/mod.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-/// This module contains everything related to the level editor.
-pub mod editor;
diff --git a/src/engine/character/mod.rs b/src/engine/character/mod.rs
index c98b57b..e725e4c 100644
--- a/src/engine/character/mod.rs
+++ b/src/engine/character/mod.rs
@@ -5,10 +5,10 @@ use sfml::system::Vector2;
 use sfml::window::Event;
 
 use crate::engine::controls::{Action, Controls};
-use crate::engine::scene::Updatable;
 use crate::engine::math::{clamp, duration_as_f32, duration_as_frame};
 use crate::engine::physics;
 use crate::engine::renderer::Drawable;
+use crate::engine::scene::Updatable;
 use crate::engine::texture::Texture;
 
 /// The different sides a character can face.
@@ -50,8 +50,8 @@ impl Side {
     /// Returns the offset in the texture.
     pub fn offset(&self) -> i32 {
         match *self {
-            Side::Left => 0,
-            Side::Right => 32,
+            Side::Left => 32,
+            Side::Right => 0,
         }
     }
 }
@@ -84,7 +84,10 @@ pub struct Character {
     max_jump: usize,
 
     /// The timer of the character's animation.
-    animation_timer: Option<Instant>,
+    animation_timer: Instant,
+
+    /// Whether the character is walking or not.
+    walking: bool,
 
     /// Indicates that the player has released the jump button.
     can_jump: bool,
@@ -101,8 +104,9 @@ impl Character {
             hp: 1,
             jump_counter: 1,
             max_jump: 1,
-            animation_timer: None,
+            animation_timer: Instant::now(),
             can_jump: true,
+            walking: false,
         }
     }
 
@@ -153,7 +157,7 @@ impl Character {
 
     /// Returns the collision bounding box of the character.
     pub fn bbox(&self) -> FloatRect {
-        FloatRect::new(self.position.x + 8.0, self.position.y + 16.0, 16.0, 16.0)
+        FloatRect::new(self.position.x + 8.0, self.position.y, 16.0, 32.0)
     }
 
     /// Returns the number of hp of the character.
@@ -190,13 +194,16 @@ impl Updatable for Character {
         }
 
         if let Some(side) = Side::from_force(force) {
-            self.side = side;
-
-            if self.animation_timer.is_none() {
-                self.animation_timer = Some(Instant::now());
+            if !self.walking {
+                self.animation_timer = Instant::now();
             }
+            self.walking = true;
+            self.side = side;
         } else {
-            self.animation_timer = None;
+            if self.walking {
+                self.animation_timer = Instant::now();
+            }
+            self.walking = false;
         }
 
         let duration = duration_as_f32(duration);
@@ -247,17 +254,13 @@ impl Updatable for Character {
 
 impl Drawable for Character {
     fn texture(&self) -> Texture {
-        Texture::Mario
+        Texture::Rusty
     }
 
     fn texture_rect(&self) -> IntRect {
-        let frame = if let Some(started) = self.animation_timer {
-            1 - duration_as_frame(&Instant::now().duration_since(started), 2)
-        } else {
-            0
-        };
-
-        IntRect::new(self.side.offset(), frame * 32, 32, 32)
+        let frame = duration_as_frame(&Instant::now().duration_since(self.animation_timer), 4);
+        let offset = if self.walking { 64 } else { 0 };
+        IntRect::new(self.side.offset() + offset, frame * 32, 32, 32)
     }
 
     fn position(&self) -> Vector2<f32> {
diff --git a/src/engine/font/mod.rs b/src/engine/font/mod.rs
index b3b4bdf..6b05838 100644
--- a/src/engine/font/mod.rs
+++ b/src/engine/font/mod.rs
@@ -67,7 +67,6 @@ make_fonts!(
 impl FontManager {
     /// Creates a fonts from an array of bytes.
     fn _make_font_from_bytes(bytes: Vec<u8>) -> SfFont {
-        SfFont::from_memory(&bytes)
-            .expect("Failed to create font")
+        SfFont::from_memory(&bytes).expect("Failed to create font")
     }
 }
diff --git a/src/engine/map/mod.rs b/src/engine/map/mod.rs
index bcc2302..81dfc5b 100644
--- a/src/engine/map/mod.rs
+++ b/src/engine/map/mod.rs
@@ -1,19 +1,15 @@
-use std::path::Path;
 use std::fs::File;
-use std::io::{BufWriter, BufReader};
-
-use serde::{Serialize, Deserialize};
-
-use bincode::{serialize, deserialize, serialize_into, deserialize_from};
+use std::io::Read;
+use std::path::Path;
 
 use sfml::graphics::{FloatRect, IntRect};
 use sfml::system::Vector2;
 
-use crate::{Error, Result};
+use crate::engine::character::Damage;
 use crate::engine::math::{clamp, Matrix};
 use crate::engine::renderer::Drawable;
-use crate::engine::texture::{Texture, byte_to_index, SPRITE_SIZE_F32, SPRITE_SIZE_I32};
-use crate::engine::character::Damage;
+use crate::engine::texture::{byte_to_index, Texture, SPRITE_SIZE_F32, SPRITE_SIZE_I32};
+use crate::{Error, Result};
 
 /// This enum represents if the collision happens on the X axis or the Y axis.
 #[derive(Copy, Clone)]
@@ -47,7 +43,7 @@ impl CollisionAxis {
 }
 
 /// This struct represents the different sides from which a collision can occur.
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub struct CollisionTile {
     /// If the character comes from the top, it will collide if this bool is true.
     pub from_top: bool,
@@ -95,12 +91,10 @@ impl CollisionTile {
 }
 
 /// This struct represents a renderable tile linking to its part in the tileset texture.
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub struct GraphicTile(Option<i32>);
 
 impl GraphicTile {
-
-
     /// Creates the correct graphic tile depending on the neighbours.
     ///
     /// A none will be considered solid.
@@ -119,7 +113,6 @@ impl GraphicTile {
 
     /// Creates the correct graphic tile depending on the neighbours.
     pub fn from_neighbours(tiles: &[CollisionTile; 8]) -> GraphicTile {
-
         let mut byte = 0;
 
         if !tiles[7].is_full() || !tiles[0].is_full() || !tiles[1].is_full() {
@@ -130,11 +123,11 @@ impl GraphicTile {
             byte += 2;
         }
 
-        if !tiles[1] .is_full() || !tiles[2].is_full() || !tiles[3].is_full() {
+        if !tiles[1].is_full() || !tiles[2].is_full() || !tiles[3].is_full() {
             byte += 4;
         }
 
-        if !tiles[3] .is_full() {
+        if !tiles[3].is_full() {
             byte += 8;
         }
 
@@ -150,7 +143,7 @@ impl GraphicTile {
             byte += 64;
         }
 
-        if !tiles[7] .is_full() {
+        if !tiles[7].is_full() {
             byte += 128;
         }
 
@@ -161,7 +154,7 @@ impl GraphicTile {
     pub fn offset(self) -> (i32, i32) {
         match self.0 {
             None => (0, 0),
-            Some(v) => (32 * v, 0)
+            Some(v) => (32 * v, 0),
         }
     }
 
@@ -198,23 +191,6 @@ impl Drawable for PositionedTile {
     }
 }
 
-/// The content of a map that needs to be saved.
-#[derive(Serialize, Deserialize)]
-struct SaveMap {
-    /// The entrance point of the character in the map.
-    entrance: (usize, usize),
-
-    /// The collision tiles contained in the level.
-    collision_tiles: Matrix<CollisionTile>,
-}
-
-impl SaveMap {
-    /// Creates a map from the save map.
-    fn to_map(self) -> Map {
-        Map::from_entrance_and_collision_tiles(self.entrance, self.collision_tiles)
-    }
-}
-
 /// The map represents the tiles contained in a level.
 #[derive(Clone)]
 pub struct Map {
@@ -241,39 +217,69 @@ impl Map {
         Map::from_collision_tiles(tiles)
     }
 
-    /// Creates a SaveMap from a map
-    fn save_map(&self) -> SaveMap {
-        SaveMap {
-            entrance: self.entrance,
-            collision_tiles: self.collision_tiles.clone(),
-        }
-    }
-
-    /// Encodes the map into a binary format.
-    pub fn encode(&self) -> Result<Vec<u8>> {
-        serialize(&self.save_map()).map_err(Error::Encoding)
-    }
-
-    /// Decodes a map from bytes.
-    pub fn decode(content: &[u8]) -> Result<Map> {
-        deserialize(content).map(SaveMap::to_map).map_err(Error::Decoding)
-    }
-
-    /// Saves the map to a file.
-    pub fn save<P: AsRef<Path>>(&self, path: P) -> Result<()> {
-        let file = File::create(path.as_ref()).map_err(Error::Save)?;
-        let mut writer = BufWriter::new(file);
-        serialize_into(&mut writer, &self.save_map()).map_err(Error::Encoding)?;
-        Ok(())
-    }
-
     /// Loads a map from a file.
-    pub fn load<P: AsRef<Path>>(path: P) -> Result<Map> {
-        let file = File::open(path.as_ref()).map_err(Error::Load)?;
-        let mut reader = BufReader::new(file);
-        Ok(deserialize_from(&mut reader).map(SaveMap::to_map).map_err(Error::Decoding)?)
+    pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Map> {
+        let mut file = File::open(path.as_ref()).map_err(Error::Load)?;
+        let mut s = String::new();
+        file.read_to_string(&mut s).map_err(Error::Load)?;
+        Map::from_str(&s)
     }
 
+    /// Loads a map from a string.
+    pub fn from_str(text: &str) -> Result<Map> {
+        let split = text.split('\n').collect::<Vec<_>>();
+
+        // First two usize are the size of the map
+        let size = split[0]
+            .split_whitespace()
+            .map(|x| x.parse::<usize>().unwrap())
+            .collect::<Vec<_>>();
+
+        let mut tiles = Matrix::from_size(size[0], size[1], CollisionTile::empty());
+
+        for (row, line) in split.iter().skip(1).enumerate() {
+            for (col, tile) in line.split_whitespace().enumerate() {
+                let num = tile.parse::<u8>().unwrap();
+                match num {
+                    0 => (),
+                    1 => tiles[(row, col)] = CollisionTile::full(),
+                    _ => panic!("Expecting 0 or 1 in level files"),
+                }
+            }
+        }
+
+        Ok(Map::from_collision_tiles(tiles))
+    }
+
+    // /// Encodes the map into a binary format.
+    // pub fn encode(&self) -> Result<Vec<u8>> {
+    //     serialize(&self.save_map()).map_err(Error::Encoding)
+    // }
+
+    // /// Decodes a map from bytes.
+    // pub fn decode(content: &[u8]) -> Result<Map> {
+    //     deserialize(content)
+    //         .map(SaveMap::to_map)
+    //         .map_err(Error::Decoding)
+    // }
+
+    // /// Saves the map to a file.
+    // pub fn save<P: AsRef<Path>>(&self, path: P) -> Result<()> {
+    //     let file = File::create(path.as_ref()).map_err(Error::Save)?;
+    //     let mut writer = BufWriter::new(file);
+    //     serialize_into(&mut writer, &self.save_map()).map_err(Error::Encoding)?;
+    //     Ok(())
+    // }
+
+    // /// Loads a map from a file.
+    // pub fn load<P: AsRef<Path>>(path: P) -> Result<Map> {
+    //     let file = File::open(path.as_ref()).map_err(Error::Load)?;
+    //     let mut reader = BufReader::new(file);
+    //     Ok(deserialize_from(&mut reader)
+    //         .map(SaveMap::to_map)
+    //         .map_err(Error::Decoding)?)
+    // }
+
     /// Creates a map from its entrance and collision tiles.
     pub fn from_entrance_and_collision_tiles(e: (usize, usize), t: Matrix<CollisionTile>) -> Map {
         let rows = t.rows();
@@ -287,8 +293,8 @@ impl Map {
             graphic_tiles,
         };
 
-        for i in 0 .. rows {
-            for j in 0 .. cols {
+        for i in 0..rows {
+            for j in 0..cols {
                 map.graphic_tiles[(i, j)] = map.graphic_tile(i, j);
             }
         }
@@ -305,14 +311,34 @@ impl Map {
     /// Creates the neighbours of a tile.
     pub fn neighbours(&self, i: usize, j: usize) -> [Option<CollisionTile>; 8] {
         [
-            if i > 0 && j > 0 { self.collision_tiles.get(i - 1, j - 1).cloned() } else { None },
-            if i > 0          { self.collision_tiles.get(i - 1, j    ).cloned() } else { None },
-            if i > 0          { self.collision_tiles.get(i - 1, j + 1).cloned() } else { None },
-                                self.collision_tiles.get(i    , j + 1).cloned(),
-                                self.collision_tiles.get(i + 1, j + 1).cloned(),
-                                self.collision_tiles.get(i + 1, j    ).cloned(),
-            if j > 0          { self.collision_tiles.get(i + 1, j - 1).cloned() } else { None },
-            if j > 0          { self.collision_tiles.get(i    , j - 1).cloned() } else { None },
+            if i > 0 && j > 0 {
+                self.collision_tiles.get(i - 1, j - 1).cloned()
+            } else {
+                None
+            },
+            if i > 0 {
+                self.collision_tiles.get(i - 1, j).cloned()
+            } else {
+                None
+            },
+            if i > 0 {
+                self.collision_tiles.get(i - 1, j + 1).cloned()
+            } else {
+                None
+            },
+            self.collision_tiles.get(i, j + 1).cloned(),
+            self.collision_tiles.get(i + 1, j + 1).cloned(),
+            self.collision_tiles.get(i + 1, j).cloned(),
+            if j > 0 {
+                self.collision_tiles.get(i + 1, j - 1).cloned()
+            } else {
+                None
+            },
+            if j > 0 {
+                self.collision_tiles.get(i, j - 1).cloned()
+            } else {
+                None
+            },
         ]
     }
 
@@ -337,8 +363,8 @@ impl Map {
 
         // Refresh the current graphic tile and their neighbours
         use std::cmp::max;
-        for i in max(i, 1) - 1 ..= (i + 1) {
-            for j in max(j, 1) - 1 ..= (j + 1) {
+        for i in max(i, 1) - 1..=(i + 1) {
+            for j in max(j, 1) - 1..=(j + 1) {
                 let new_tile = self.graphic_tile(i, j);
                 if let Some(tile) = self.graphic_tiles.get_mut(i, j) {
                     *tile = new_tile;
@@ -384,7 +410,6 @@ impl Map {
         old: FloatRect,
         new: FloatRect,
     ) -> Option<(CollisionAxis, Vector2<f32>, Damage)> {
-
         let mut damage = Damage::None;
 
         let cols = self.collision_tiles.cols() - 1;
@@ -400,8 +425,8 @@ impl Map {
         let mut collision_y = false;
         let mut new = new;
 
-        for col in min_col ..= max_col {
-            for row in min_row ..= max_row {
+        for col in min_col..=max_col {
+            for row in min_row..=max_row {
                 let tile_left = col as f32 * SPRITE_SIZE_F32;
                 let tile_top = row as f32 * SPRITE_SIZE_F32;
 
diff --git a/src/engine/math/mod.rs b/src/engine/math/mod.rs
index 087761f..f07ffc6 100644
--- a/src/engine/math/mod.rs
+++ b/src/engine/math/mod.rs
@@ -1,7 +1,5 @@
-use std::time::Duration;
 use std::ops::{Index, IndexMut};
-
-use serde::{Serialize, Deserialize};
+use std::time::Duration;
 
 /// Clamp a number between two boundaries.
 pub fn clamp(number: f32, min: f32, max: f32) -> f32 {
@@ -18,7 +16,7 @@ pub fn clamp(number: f32, min: f32, max: f32) -> f32 {
 pub fn duration_as_frame(duration: &Duration, total: usize) -> i32 {
     let secs = duration_as_f32(duration);
 
-    (secs * 4.0) as i32 % total as i32
+    (secs * 10.0) as i32 % total as i32
 }
 
 /// Converts a duration into its number of seconds.
@@ -27,7 +25,7 @@ pub fn duration_as_f32(duration: &Duration) -> f32 {
 }
 
 /// A generic matrix type, useful for levels.
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Clone)]
 pub struct Matrix<T> {
     /// The number of rows of the matrix.
     rows: usize,
diff --git a/src/engine/renderer/mod.rs b/src/engine/renderer/mod.rs
index b4d6246..a7fbf19 100644
--- a/src/engine/renderer/mod.rs
+++ b/src/engine/renderer/mod.rs
@@ -1,14 +1,14 @@
 use std::time::Instant;
 
-use sfml::graphics::{Color, IntRect, RenderTarget, RenderWindow, Sprite, View, Text};
+use sfml::graphics::{Color, IntRect, RenderTarget, RenderWindow, Sprite, Text, View};
 
 use sfml::window::{Event, Style};
 
 use sfml::system::Vector2;
 
+use crate::engine::font::{Font, FontManager};
 use crate::engine::scene::Scene;
 use crate::engine::texture::{Texture, TextureManager};
-use crate::engine::font::{Font, FontManager};
 
 /// Our custom drawable trait.
 pub trait Drawable {
@@ -80,7 +80,11 @@ impl Renderer {
     }
 
     /// Draws a drawable with a certain translation.
-    pub fn translate_and_draw<D: Drawable, V: Into<Vector2<f32>>>(&mut self, drawable: &D, translation: V) {
+    pub fn translate_and_draw<D: Drawable, V: Into<Vector2<f32>>>(
+        &mut self,
+        drawable: &D,
+        translation: V,
+    ) {
         let texture = self.texture_manager.get(drawable.texture());
         let mut sprite = Sprite::with_texture(&texture);
         sprite.set_texture_rect(&drawable.texture_rect());
diff --git a/src/engine/scene/mod.rs b/src/engine/scene/mod.rs
index 1055faa..16454fa 100644
--- a/src/engine/scene/mod.rs
+++ b/src/engine/scene/mod.rs
@@ -4,9 +4,9 @@ use sfml::graphics::View;
 use sfml::system::Vector2;
 use sfml::window::Event;
 
-use crate::engine::texture::SPRITE_SIZE_F32;
 use crate::engine::character::Character;
 use crate::engine::map::Map;
+use crate::engine::texture::SPRITE_SIZE_F32;
 
 /// Contains everything needed to play.
 pub struct Scene {
@@ -86,14 +86,11 @@ impl Scene {
 
     /// Updates the whole scene.
     pub fn update(&mut self, duration: &Duration) -> State {
-
         let mut state = State::Finished;
 
         for c in &mut self.characters {
-
             // Don't need to update if the character is dead
             if c.is_alive() {
-
                 let old = c.bbox();
 
                 // Compute the offset between position and bbox
@@ -112,7 +109,6 @@ impl Scene {
                     }
 
                     c.take_damage(damage);
-
                 } else {
                     c.fall_off();
                 }
@@ -121,7 +117,6 @@ impl Scene {
                 if c.controls().is_some() {
                     state = State::Running;
                 }
-
             }
         }
 
diff --git a/src/engine/texture/mod.rs b/src/engine/texture/mod.rs
index 5486c8b..812faf3 100644
--- a/src/engine/texture/mod.rs
+++ b/src/engine/texture/mod.rs
@@ -10,32 +10,32 @@ pub const SPRITE_SIZE_F32: f32 = 32.0;
 /// tileset.
 pub fn byte_to_index(byte: u8) -> i32 {
     match byte {
-        0   => 0,
-        1   => 1,
-        4   => 2,
-        5   => 3,
-        7   => 4,
-        16  => 5,
-        17  => 6,
-        20  => 7,
-        21  => 8,
-        23  => 9,
-        28  => 10,
-        29  => 11,
-        31  => 12,
-        64  => 13,
-        65  => 14,
-        68  => 15,
-        69  => 16,
-        71  => 17,
-        80  => 18,
-        81  => 19,
-        84  => 20,
-        85  => 21,
-        87  => 22,
-        92  => 23,
-        93  => 24,
-        95  => 25,
+        0 => 0,
+        1 => 1,
+        4 => 2,
+        5 => 3,
+        7 => 4,
+        16 => 5,
+        17 => 6,
+        20 => 7,
+        21 => 8,
+        23 => 9,
+        28 => 10,
+        29 => 11,
+        31 => 12,
+        64 => 13,
+        65 => 14,
+        68 => 15,
+        69 => 16,
+        71 => 17,
+        80 => 18,
+        81 => 19,
+        84 => 20,
+        85 => 21,
+        87 => 22,
+        92 => 23,
+        93 => 24,
+        95 => 25,
         112 => 26,
         113 => 27,
         116 => 28,
@@ -120,10 +120,10 @@ macro_rules! make_textures {
 }
 
 make_textures!(
-    Mario,
-    mario,
-    make_mario_texture,
-    "../../../assets/textures/mario.png",
+    Rusty,
+    rusty,
+    make_rusty_texture,
+    "../../../assets/textures/rusty.png",
     256,
     256,
     Overworld,
diff --git a/src/lib.rs b/src/lib.rs
index 498752c..f4ef3bd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,14 +2,11 @@
 
 //! This crates contains the (future) rusty game.
 
-use std::{io, fmt, result};
+use std::{fmt, io, result};
 
 /// This module contains all the tools needed for the game.
 pub mod engine;
 
-/// This module contains all the applications of the game.
-pub mod app;
-
 /// This is the error type of this library.
 #[derive(Debug)]
 pub enum Error {
@@ -18,12 +15,6 @@ pub enum Error {
 
     /// An error occured while trying to load a file.
     Load(io::Error),
-
-    /// An error occured while encoding a file.
-    Encoding(bincode::Error),
-
-    /// An error occured while decoding a file.
-    Decoding(bincode::Error),
 }
 
 impl fmt::Display for Error {
@@ -31,8 +22,6 @@ impl fmt::Display for Error {
         match *self {
             Error::Save(ref e) => write!(fmt, "couldn't save file: {}", e),
             Error::Load(ref e) => write!(fmt, "couldn't load file: {}", e),
-            Error::Encoding(ref e) => write!(fmt, "couldn't encode file: {}", e),
-            Error::Decoding(ref e) => write!(fmt, "couldn't decode file: {}", e),
         }
     }
 }