diff --git a/src/game/mouse/space_invaders/game.js b/src/game/mouse/space_invaders/game.js
index 80dc1fe..af1401d 100644
--- a/src/game/mouse/space_invaders/game.js
+++ b/src/game/mouse/space_invaders/game.js
@@ -1,9 +1,6 @@
-/////////////////////////////
-// Space invaders game
+var Game = {
 
-class Game {
-
-	create() {
+	create: function() {
 		this.game.stage.backgroundColor = "#000000";	// '#4d4d4d';
 
 		sessionStorageManager.setIsNewBestRecord(false);
@@ -79,10 +76,10 @@ class Game {
 
 		this.startGame();
 		// this.countDown();
-	}
+	},
 
-	initListeners() {
-	}
+	initListeners: function() {
+	},
 
 	/*
 	countDown() {
@@ -115,32 +112,32 @@ class Game {
 	}
 	*/
 
-	startGame() {
+	startGame: function() {
 		// activate first alien
 		this.alienTimer.start();
-	}
+	},
 
-	gameOver() {
+	gameOver: function() {
 		this.alienTimer.stop();
 
 		var gameOverText = new GameOverText();
 
 		game.time.events.add(Phaser.Timer.SECOND * 2, this.goResult, this);
-	}
+	},
 
-	goResult() {
+	goResult: function() {
 		location.href = '../../web/client/result.html';
-	}
+	},
 
-	activateNextAlien() {
+	activateNextAlien: function() {
 		this.alienTimer.next();
-	}
+	},
 
-	getScore() {
+	getScore: function() {
 		return (this.alienTimer.activatedAlienIndex) * 2;
-	}
+	},
 
-	onAlienEscaped() {
+	onAlienEscaped: function() {
 		heartManager.breakHearts(1);
 	}
 
diff --git a/src/game/start/start.js b/src/game/start/start.js
index dd3fe05..64d065d 100644
--- a/src/game/start/start.js
+++ b/src/game/start/start.js
@@ -32,7 +32,6 @@ var Start = {
 		this.makeStartButton();
 		this.makeRankingButton();
 
-		console.log(sessionStorageManager.getMaestroAccountType());
 		if(sessionStorageManager.getMaestroAccountType() >= 100) {	// experience account
 			this.printSampleChart();
 			this.announceBox = new AnnounceBox(50, 648);