===================================================================
--- original.js
+++ change.js
@@ -45,8 +45,15 @@
 			self.y -= self.speed;
 		} else {
 			self.y += self.speed / 2 + LK.ticks / 1500; // Increase downward speed over time
 		}
+		// Add horizontal movement
+		self.x += self.horizontalSpeed;
+		if (self.x < 0) {
+			self.x = 0;
+		} else if (self.x > 2048) {
+			self.x = 2048;
+		}
 		// Ensure player doesn't move out of bounds
 		if (self.y < 0) {
 			self.y = 0;
 		} else if (self.y > 2732) {
@@ -73,8 +80,9 @@
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 var player = game.addChild(new Player());
+player.horizontalSpeed = 2; // Initialize horizontal speed
 player.x = 1024;
 player.y = 2732 - player.height;
 var enemies = [];
 for (var i = 0; i < 10; i++) {
@@ -91,8 +99,10 @@
 	obstacles.push(obstacle);
 }
 game.down = function (x, y, obj) {
 	player.movingUp = true;
+	// Toggle horizontal movement direction
+	player.horizontalSpeed = -player.horizontalSpeed;
 };
 game.up = function (x, y, obj) {
 	player.movingUp = false;
 };