diff --git a/js/l3d/apps/prototype/Coin.js b/js/l3d/apps/prototype/Coin.js
index ce22280..75caeed 100644
--- a/js/l3d/apps/prototype/Coin.js
+++ b/js/l3d/apps/prototype/Coin.js
@@ -183,6 +183,10 @@ Coin.prototype.get = function() {
     if (!this.got) {
         this.got = true;
 
+        if (typeof Coin.onCoinGot === 'function') {
+            Coin.onCoinGot(Coin.total + 1);
+        }
+
         // Call the callback if any
         if (this.callback)
             this.callback();
diff --git a/js/l3d/apps/prototype/interactive/main.js b/js/l3d/apps/prototype/interactive/main.js
index f1d5c07..d18cf4d 100644
--- a/js/l3d/apps/prototype/interactive/main.js
+++ b/js/l3d/apps/prototype/interactive/main.js
@@ -27,12 +27,16 @@ window.onbeforeunload = function() {
 
 };
 
-setTimeout(function() {
-    $('#next').show();
-    $('#next').click(function() {
-        window.location = '/prototype/games';
-    });
-}, 3*60*1000);
+Coin.onCoinGot = function(coin) {
+    if (coin === 6) {
+        setTimeout(function() {
+            $('#next').show();
+            $('#next').click(function() {
+                window.location = '/prototype/games';
+            });
+        }, 60*1000);
+    }
+};
 
 function main() {
 
diff --git a/js/l3d/apps/prototype/tutorial/main.js b/js/l3d/apps/prototype/tutorial/main.js
index e2f3091..905efc4 100644
--- a/js/l3d/apps/prototype/tutorial/main.js
+++ b/js/l3d/apps/prototype/tutorial/main.js
@@ -18,6 +18,17 @@ var pointer;
 var startCanvas;
 var tutorial;
 
+Coin.onCoinGot = function(val) {
+    if (val === 6) {
+        setTimeout(function() {
+            $('#next').show();
+            $('#next').click(function() {
+                window.location = '/prototype/games';
+            });
+        }, 60*1000);
+    }
+};
+
 function main() {
 
     // Main container that holds everything