===================================================================
--- original.js
+++ change.js
@@ -59,8 +59,15 @@
 /**** 
 * Game Code
 ****/ 
 // Initialize assets used in this game.
+var score = 0;
+var scoreTxt = new Text2('Score: 0', {
+	size: 100,
+	fill: "#ffffff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
 var player = game.addChild(new Player());
 player.x = 1024;
 player.y = 2732 - player.height;
 var enemy = game.addChild(new Enemy());
@@ -86,8 +93,15 @@
 		if (player.intersects(obstacle)) {
 			LK.showGameOver();
 		}
 	});
+	obstacles.forEach(function (obstacle) {
+		if (!player.intersects(obstacle) && obstacle.x < player.x) {
+			score += 1;
+			scoreTxt.setText('Score: ' + score);
+			obstacle.x = 2048 + Math.random() * 2048; // Reset obstacle position
+		}
+	});
 	if (player.intersects(enemy) || obstacles.some(function (obstacle) {
 		return player.intersects(obstacle);
 	})) {
 		LK.showGameOver();