===================================================================
--- original.js
+++ change.js
@@ -98,8 +98,9 @@
 ****/ 
 game.score = 0;
 game.obstacleSpeed = 5;
 game.obstacleSpeedIncrease = 0.005;
+game.simulatedY = 0;
 game.checkObstacleCollision = function (obstacles) {
 	for (var i = 0; i < obstacles.length; i++) {
 		obstacles[i].move();
 		var dist = Math.sqrt(Math.pow(bird.x - obstacles[i].x, 2) + Math.pow(bird.y - obstacles[i].y, 2));
@@ -230,11 +231,12 @@
 		}
 	}
 	game.checkObstacleCollision(leftObstacles);
 	game.checkObstacleCollision(rightObstacles);
+	game.simulatedY += game.obstacleSpeed;
 	if (bird.y < 0 || bird.y > 2732) {
 		LK.setScore(game.score);
 		LK.showGameOver();
-	} else if (LK.ticks % 10 == 0) {
-		game.score += 1;
+	} else {
+		game.score = Math.floor(game.simulatedY / 10);
 	}
 });
\ No newline at end of file