===================================================================
--- original.js
+++ change.js
@@ -4,9 +4,8 @@
 // Player class
 var Player = Container.expand(function () {
 	var self = Container.call(this);
 	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
-	self.hitByRedAppleCount = 0;
 	self.speed = 5;
 	self.targetX = self.x;
 	self.moveLeft = function () {
 		if (self.x > self.targetX && self.x > playerGraphics.width / 2) {
@@ -18,13 +17,62 @@
 			self.x += self.speed;
 		}
 	};
 });
+// Class A
+var A = Container.expand(function () {
+	var self = Container.call(this);
+	var aGraphics = self.createAsset('a', 'Element A', 0.5, 0.5);
+});
+// Class B
+var B = Container.expand(function () {
+	var self = Container.call(this);
+	var bGraphics = self.createAsset('b', 'Element B', 0.5, 0.5);
+});
+// Class C
+var C = Container.expand(function () {
+	var self = Container.call(this);
+	var cGraphics = self.createAsset('c', 'Element C', 0.5, 0.5);
+});
+// Class D
+var D = Container.expand(function () {
+	var self = Container.call(this);
+	var dGraphics = self.createAsset('d', 'Element D', 0.5, 0.5);
+});
+// Class E
+var E = Container.expand(function () {
+	var self = Container.call(this);
+	var eGraphics = self.createAsset('e', 'Element E', 0.5, 0.5);
+});
+// Class F
+var F = Container.expand(function () {
+	var self = Container.call(this);
+	var fGraphics = self.createAsset('f', 'Element F', 0.5, 0.5);
+});
+// Class S
+var S = Container.expand(function () {
+	var self = Container.call(this);
+	var sGraphics = self.createAsset('s', 'Element S', 0.5, 0.5);
+});
+// Class L
+var L = Container.expand(function () {
+	var self = Container.call(this);
+	var lGraphics = self.createAsset('l', 'Element L', 0.5, 0.5);
+});
+// Class J
+var J = Container.expand(function () {
+	var self = Container.call(this);
+	var jGraphics = self.createAsset('j', 'Element J', 0.5, 0.5);
+});
+// Class K
+var K = Container.expand(function () {
+	var self = Container.call(this);
+	var kGraphics = self.createAsset('k', 'Element K', 0.5, 0.5);
+});
 // Apple class
 var Apple = Container.expand(function () {
 	var self = Container.call(this);
 	var appleGraphics = self.createAsset('apple', 'Falling apple', 0.5, 0.5);
-	self.isRed = true;
 	self.speed = 3;
 	self.move = function () {
 		self.y += self.speed;
 	};
@@ -106,12 +154,8 @@
 		// Check if apple is caught by the player
 		if (apples[i].isCaught(player)) {
 			// Increase score
 			LK.setScore(LK.getScore() + 1);
-			// Check if the apple is red and mark the player as hit by a red apple
-			if (apples[i].isRed) {
-				player.hitByRedAppleCount++;
-			}
 			// Remove caught apple
 			apples[i].destroy();
 			apples.splice(i, 1);
 		} else if (apples[i].y > 2732) {
@@ -120,18 +164,8 @@
 			apples.splice(i, 1);
 		}
 	}
 
-	// Display red 'F' symbol in the upper right corner when hit by a red apple for the first time
-	if (player.hitByRedAppleCount === 1 && !game.children.some(function (child) {
-		return child.name === 'redX';
-	})) {
-		var redX = game.addChild(LK.getAsset('redX', 'Red X symbol', 1, 0));
-		redX.name = 'redX';
-		redX.x = 2048 - redX.width / 2;
-		redX.y = redX.height / 2;
-	}
-
 	// Spawn apples less frequently
 	if (LK.ticks % 120 == 0) {
 		// Every two seconds
 		var newApple = Math.random() < 0.5 ? new Apple() : new GreenApple();