===================================================================
--- original.js
+++ change.js
@@ -1,69 +1,69 @@
-/****
+/**** 
 * Classes
 ****/
 // Define the Player class
 var Player = Container.expand(function () {
-  var self = Container.call(this);
-  var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
-  self.speed = 5;
-  self.jumpPower = -15;
-  self.gravity = 0.5;
-  self.velocityY = 0;
-  self.isJumping = false;
-  self.isFlipping = false;
-  self.flipRotation = 0;
-  self.moveRight = function () {
-    self.x += self.speed;
-  };
-  self.jump = function () {
-    if (!self.isJumping) {
-      self.isJumping = true;
-      self.velocityY = self.jumpPower;
-    }
-  };
-  self.update = function () {
-    self.y += self.velocityY;
-    self.velocityY += self.gravity;
-    if (self.isFlipping) {
-      playerGraphics.rotation += self.flipRotation;
-    }
-    // Check for ground collision
-    if (self.y > game.height - playerGraphics.height) {
-      self.y = game.height - playerGraphics.height;
-      self.isJumping = false;
-      self.isFlipping = false;
-      playerGraphics.rotation = 0;
-    }
-  };
-  self.flip = function () {
-    if (!self.isFlipping && self.isJumping) {
-      self.isFlipping = true;
-      self.flipRotation = Math.PI / 16; // 22.5 degrees per frame
-    }
-  };
+	var self = Container.call(this);
+	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
+	self.speed = 5;
+	self.jumpPower = -18;
+	self.gravity = 0.5;
+	self.velocityY = 0;
+	self.isJumping = false;
+	self.isFlipping = false;
+	self.flipRotation = 0;
+	self.moveRight = function () {
+		self.x += self.speed;
+	};
+	self.jump = function () {
+		if (!self.isJumping) {
+			self.isJumping = true;
+			self.velocityY = self.jumpPower;
+		}
+	};
+	self.update = function () {
+		self.y += self.velocityY;
+		self.velocityY += self.gravity;
+		if (self.isFlipping) {
+			playerGraphics.rotation += self.flipRotation;
+		}
+		// Check for ground collision
+		if (self.y > game.height - playerGraphics.height) {
+			self.y = game.height - playerGraphics.height;
+			self.isJumping = false;
+			self.isFlipping = false;
+			playerGraphics.rotation = 0;
+		}
+	};
+	self.flip = function () {
+		if (!self.isFlipping && self.isJumping) {
+			self.isFlipping = true;
+			self.flipRotation = Math.PI / 16; // 22.5 degrees per frame
+		}
+	};
 });
 // Define the Obstacle class
 var Obstacle = Container.expand(function () {
-  var self = Container.call(this);
-  var obstacleGraphics = self.createAsset('obstacle', 'Obstacle', 0.5, 1);
-  self.speed = -5;
-  self.move = function () {
-    self.x += self.speed;
-  };
-  self.update = function () {
-    self.move();
-  };
+	var self = Container.call(this);
+	var obstacleGraphics = self.createAsset('obstacle', 'Obstacle', 0.5, 1);
+	self.speed = -5;
+	self.move = function () {
+		self.x += self.speed;
+	};
+	self.update = function () {
+		self.move();
+	};
 });
 
-/****
+/**** 
 * Initialize Game
 ****/
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background
+	backgroundColor: 0x000000 // Init game with black background
 });
 
-/****
+/**** 
 * Game Code
 ****/
 // Initialize important asset arrays
 var obstacles = [];
@@ -72,42 +72,42 @@
 player.x = 2048 / 4;
 player.y = game.height - player.height;
 // Game tick event
 LK.on('tick', function () {
-  // Update player
-  player.update();
-  // Update obstacles
-  for (var i = obstacles.length - 1; i >= 0; i--) {
-    obstacles[i].update();
-    // Check for collision with player
-    if (player.intersects(obstacles[i])) {
-      // End game if collision occurs
-      LK.showGameOver();
-    }
-    // Remove off-screen obstacles
-    if (obstacles[i].x + obstacles[i].width < 0) {
-      obstacles[i].destroy();
-      obstacles.splice(i, 1);
-    }
-  }
-  // Spawn obstacles
-  if (LK.ticks % 120 === 0) {
-    // Every 2 seconds
-    var obstacle = new Obstacle();
-    obstacle.x = game.width;
-    obstacle.y = game.height - obstacle.height;
-    obstacles.push(obstacle);
-    game.addChild(obstacle);
-  }
+	// Update player
+	player.update();
+	// Update obstacles
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		obstacles[i].update();
+		// Check for collision with player
+		if (player.intersects(obstacles[i])) {
+			// End game if collision occurs
+			LK.showGameOver();
+		}
+		// Remove off-screen obstacles
+		if (obstacles[i].x + obstacles[i].width < 0) {
+			obstacles[i].destroy();
+			obstacles.splice(i, 1);
+		}
+	}
+	// Spawn obstacles
+	if (LK.ticks % 120 === 0) {
+		// Every 2 seconds
+		var obstacle = new Obstacle();
+		obstacle.x = game.width;
+		obstacle.y = game.height - obstacle.height;
+		obstacles.push(obstacle);
+		game.addChild(obstacle);
+	}
 });
 // Touch event listeners
 game.on('down', function (obj) {
-  var touchPos = obj.event.getLocalPosition(game);
-  if (touchPos.x > game.width / 2) {
-    player.moveRight();
-  } else {
-    player.jump();
-  }
+	var touchPos = obj.event.getLocalPosition(game);
+	if (touchPos.x > game.width / 2) {
+		player.moveRight();
+	} else {
+		player.jump();
+	}
 });
 game.on('up', function (obj) {
-  player.flip();
+	player.flip();
 });
\ No newline at end of file