===================================================================
--- original.js
+++ change.js
@@ -1,46 +1,47 @@
-/****
+/**** 
 * Classes
 ****/
 // Fairy class
 var Fairy = Container.expand(function () {
-  var self = Container.call(this);
-  var fairyGraphics = self.createAsset('fairy', 'Fairy character', 0.5, 0.5);
-  self.speed = 5;
-  self.moveLeft = function () {
-    self.x = Math.max(self.width / 2, self.x - self.speed);
-  };
-  self.moveRight = function () {
-    self.x = Math.min(2048 - self.width / 2, self.x + self.speed);
-  };
-  self.moveUp = function () {
-    self.y = Math.max(self.height / 2, self.y - self.speed);
-  };
-  self.moveDown = function () {
-    self.y = Math.min(2732 - self.height / 2, self.y + self.speed);
-  };
+	var self = Container.call(this);
+	var fairyGraphics = self.createAsset('fairy', 'Fairy character', 0.5, 0.5);
+	self.lives = 3;
+	self.speed = 5;
+	self.moveLeft = function () {
+		self.x = Math.max(self.width / 2, self.x - self.speed);
+	};
+	self.moveRight = function () {
+		self.x = Math.min(2048 - self.width / 2, self.x + self.speed);
+	};
+	self.moveUp = function () {
+		self.y = Math.max(self.height / 2, self.y - self.speed);
+	};
+	self.moveDown = function () {
+		self.y = Math.min(2732 - self.height / 2, self.y + self.speed);
+	};
 });
 // Potion class
 var Potion = Container.expand(function () {
-  var self = Container.call(this);
-  var potionGraphics = self.createAsset('potion', 'Witch potion', 0.5, 0.5);
-  self.speed = 3;
-  self.move = function () {
-    self.y += self.speed;
-    if (self.y > 2732 + self.height) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var potionGraphics = self.createAsset('potion', 'Witch potion', 0.5, 0.5);
+	self.speed = 3;
+	self.move = function () {
+		self.y += self.speed;
+		if (self.y > 2732 + self.height) {
+			self.destroy();
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
 ****/
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background
+	backgroundColor: 0x000000 // Init game with black background
 });
 
-/****
+/**** 
 * Game Code
 ****/
 // Initialize fairy
 var fairy = game.addChild(new Fairy());
@@ -49,40 +50,46 @@
 // Initialize potions array
 var potions = [];
 // Handle touch movement
 function handleTouchMove(obj) {
-  var touchPos = obj.event.getLocalPosition(game);
-  if (touchPos.x < fairy.x) {
-    fairy.moveLeft();
-  } else if (touchPos.x > fairy.x) {
-    fairy.moveRight();
-  }
-  if (touchPos.y < fairy.y) {
-    fairy.moveUp();
-  } else if (touchPos.y > fairy.y) {
-    fairy.moveDown();
-  }
+	var touchPos = obj.event.getLocalPosition(game);
+	if (touchPos.x < fairy.x) {
+		fairy.moveLeft();
+	} else if (touchPos.x > fairy.x) {
+		fairy.moveRight();
+	}
+	if (touchPos.y < fairy.y) {
+		fairy.moveUp();
+	} else if (touchPos.y > fairy.y) {
+		fairy.moveDown();
+	}
 }
 // Add touch move listener to the game
 game.on('move', handleTouchMove);
 // Game tick event
 LK.on('tick', function () {
-  // Move potions
-  for (var i = potions.length - 1; i >= 0; i--) {
-    potions[i].move();
-    if (fairy.intersects(potions[i])) {
-      // End game if fairy touches a potion
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-      return;
-    }
-  }
-  // Spawn potions
-  if (LK.ticks % 120 === 0) {
-    // Spawn a potion every 2 seconds
-    var potion = new Potion();
-    potion.x = Math.random() * (2048 - potion.width) + potion.width / 2;
-    potion.y = -potion.height / 2;
-    potions.push(potion);
-    game.addChild(potion);
-  }
+	// Move potions
+	for (var i = potions.length - 1; i >= 0; i--) {
+		potions[i].move();
+		if (fairy.intersects(potions[i])) {
+			// Decrease fairy's lives when touching a potion and end game if lives are 0
+			fairy.lives--;
+			LK.effects.flashObject(fairy, 0xff0000, 500);
+			if (fairy.lives <= 0) {
+				LK.effects.flashScreen(0xff0000, 1000);
+				LK.showGameOver();
+				return;
+			}
+			potions[i].destroy();
+			potions.splice(i, 1);
+		}
+	}
+	// Spawn potions
+	if (LK.ticks % 120 === 0) {
+		// Spawn a potion every 2 seconds
+		var potion = new Potion();
+		potion.x = Math.random() * (2048 - potion.width) + potion.width / 2;
+		potion.y = -potion.height / 2;
+		potions.push(potion);
+		game.addChild(potion);
+	}
 });
\ No newline at end of file