===================================================================
--- original.js
+++ change.js
@@ -20,9 +20,14 @@
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.update = function () {
-		// Cookie specific update logic
+		// Move the cookie downwards
+		self.y += 5;
+		// If the cookie is off the screen, destroy it
+		if (self.y > 2732) {
+			self.destroy();
+		}
 	};
 });
 // Ingredient class
 var Ingredient = Container.expand(function () {
@@ -126,15 +131,32 @@
 	createCookie();
 }
 // Update game every tick
 game.update = function () {
-	// Update cakes and ingredients
+	// Update cakes, ingredients and cookies
 	for (var i = 0; i < cakes.length; i++) {
 		cakes[i].update();
+		// Check for collision between cakes and cookies
+		for (var k = 0; k < cookies.length; k++) {
+			if (cakes[i].intersects(cookies[k])) {
+				// Decrease score
+				score -= 1;
+				updateScore();
+				// Destroy cake and cookie
+				cakes[i].destroy();
+				cakes.splice(i, 1);
+				cookies[k].destroy();
+				cookies.splice(k, 1);
+				break;
+			}
+		}
 	}
 	for (var j = 0; j < ingredients.length; j++) {
 		ingredients[j].update();
 	}
+	for (var k = 0; k < cookies.length; k++) {
+		cookies[k].update();
+	}
 	// Create new ingredients periodically
 	if (LK.ticks % 60 == 0) {
 		createIngredient();
 	}