===================================================================
--- original.js
+++ change.js
@@ -11,8 +11,11 @@
 	self.velocityY = 0;
 	self.isJumping = false;
 	self.isFlipping = false;
 	self.flipRotation = 0;
+	self.incrementScore = function () {
+		score++;
+	};
 	self.moveRight = function () {
 		self.x += self.speed;
 	};
 	self.jump = function () {
@@ -46,8 +49,9 @@
 var Obstacle = Container.expand(function () {
 	var self = Container.call(this);
 	var obstacleGraphics = self.createAsset('obstacle', 'Obstacle', 0.5, 1);
 	self.speed = -5;
+	self.hasScored = false;
 	self.move = function () {
 		self.x += self.speed;
 	};
 	self.update = function () {
@@ -64,10 +68,11 @@
 
 /**** 
 * Game Code
 ****/
-// Initialize important asset arrays
+// Initialize important asset arrays and score
 var obstacles = [];
+var score = 0;
 var player = game.addChild(new Player());
 // Set the player's starting position
 player.x = 2048 / 4;
 player.y = game.height - player.height;
@@ -77,18 +82,28 @@
 	player.update();
 	// Update obstacles
 	for (var i = obstacles.length - 1; i >= 0; i--) {
 		obstacles[i].update();
-		// Check for collision with player
+		// Check for collision with player and if the player has jumped over an obstacle
 		if (player.intersects(obstacles[i])) {
 			// End game if collision occurs
 			LK.showGameOver();
+		} else if (player.y < obstacles[i].y && player.x > obstacles[i].x) {
+			// Increment score if player jumps over the obstacle
+			player.incrementScore();
+			// Ensure score is only incremented once per obstacle
+			obstacles[i].hasScored = true;
 		}
 		// Remove off-screen obstacles
 		if (obstacles[i].x + obstacles[i].width < 0) {
 			obstacles[i].destroy();
 			obstacles.splice(i, 1);
 		}
+		// Remove off-screen obstacles
+		if (obstacles[i].x + obstacles[i].width < 0) {
+			obstacles[i].destroy();
+			obstacles.splice(i, 1);
+		}
 	}
 	// Spawn obstacles with variable rate
 	var spawnRate = 120 - Math.floor(LK.ticks / 1800); // Decrease spawn rate every 30 seconds
 	if (spawnRate < 30) {