===================================================================
--- original.js
+++ change.js
@@ -1,7 +1,20 @@
 /**** 
 * Classes
 ****/
+// LivesDisplay class
+var LivesDisplay = Container.expand(function () {
+	var self = Container.call(this);
+	self.livesText = new Text2('Lives: 3', {
+		size: 100,
+		fill: "#ffffff"
+	});
+	self.livesText.anchor.set(0.5, 0);
+	LK.gui.top.addChild(self.livesText);
+	self.updateLives = function (lives) {
+		self.livesText.setText('Lives: ' + lives);
+	};
+});
 // Hero class
 var Hero = Container.expand(function () {
 	var self = Container.call(this);
 	var heroGraphics = self.createAsset('hero', 'Hero character', 0.5, 0.5);
@@ -42,11 +55,17 @@
 
 /**** 
 * Game Code
 ****/
-// Initialize hero
+// Initialize hero and lives display
 var hero = game.addChild(new Hero());
+var livesDisplay = game.addChild(new LivesDisplay());
 
+// Update the lives display when hero's lives change
+Hero.prototype.updateLives = function () {
+	livesDisplay.updateLives(this.lives);
+};
+
 // Initialize enemies and bullets arrays
 var enemies = [];
 var bullets = [];
 
@@ -117,8 +136,9 @@
 	for (var j = enemies.length - 1; j >= 0; j--) {
 		enemies[j].move();
 		if (enemies[j].intersects(hero)) {
 			hero.lives -= 1; // Decrease hero's lives by one
+			hero.updateLives(); // Update the lives display
 			LK.effects.flashScreen(0xff0000, 500); // Flash screen red for half a second
 			if (hero.lives <= 0) {
 				LK.showGameOver(); // If no lives left, show game over
 				return;