===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,323 @@
-/****
+/**** 
+* Classes
+****/ 
+// No plugins needed for MVP
+// Soldier class
+var Soldier = Container.expand(function () {
+	var self = Container.call(this);
+	// Properties: team ('player' or 'enemy'), health, attack, speed
+	self.team = 'player';
+	self.health = 1;
+	self.attack = 1;
+	self.speed = 4; // px per frame
+	// Attach correct asset
+	var assetId = self.team === 'player' ? 'soldier_player' : 'soldier_enemy';
+	var soldierGfx = self.attachAsset(assetId, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set stats and team
+	self.init = function (team, health, attack) {
+		self.team = team;
+		self.health = health;
+		self.attack = attack;
+		assetId = team === 'player' ? 'soldier_player' : 'soldier_enemy';
+		// Remove old asset if any
+		if (soldierGfx) soldierGfx.destroy();
+		soldierGfx = self.attachAsset(assetId, {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+	};
+	// For displaying health above soldier
+	self.healthTxt = new Text2('', {
+		size: 40,
+		fill: '#fff'
+	});
+	self.healthTxt.anchor.set(0.5, 1.2);
+	self.addChild(self.healthTxt);
+	// Update per frame
+	self.update = function () {
+		// Update health display
+		self.healthTxt.setText(self.health);
+		// Move forward if not in combat
+		if (!self.inCombat) {
+			if (self.team === 'player') {
+				self.x += self.speed;
+			} else {
+				self.x -= self.speed;
+			}
+		}
+	};
+	// Mark if in combat
+	self.inCombat = false;
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x222222
+});
+
+/**** 
+* Game Code
+****/ 
+// Enemy soldier (orange)
+// Player soldier (green)
+// Enemy castle (red)
+// Player castle (blue)
+// --- Game constants ---
+var GAME_W = 2048,
+	GAME_H = 2732;
+var CASTLE_OFFSET_X = 120,
+	CASTLE_OFFSET_Y = GAME_H - 320;
+var CASTLE_HEALTH_INIT = 1000;
+var GOLD_INIT = 200;
+var GOLD_PER_TICK = 5;
+var GOLD_TICK_MS = 200;
+var SOLDIER_COST = 100;
+var SOLDIER_HEALTH_MIN = 80,
+	SOLDIER_HEALTH_MAX = 160;
+var SOLDIER_ATTACK_MIN = 20,
+	SOLDIER_ATTACK_MAX = 50;
+var SOLDIER_SPEED = 14; // px per frame
+// --- State variables ---
+var playerHealth = CASTLE_HEALTH_INIT;
+var enemyHealth = CASTLE_HEALTH_INIT;
+var playerGold = GOLD_INIT;
+var enemyGold = GOLD_INIT;
+var playerSoldiers = [];
+var enemySoldiers = [];
+// --- Castles ---
+var castlePlayer = game.addChild(LK.getAsset('castle_player', {
+	anchorX: 0.5,
+	anchorY: 0.5
+}));
+castlePlayer.x = CASTLE_OFFSET_X;
+castlePlayer.y = CASTLE_OFFSET_Y;
+var castleEnemy = game.addChild(LK.getAsset('castle_enemy', {
+	anchorX: 0.5,
+	anchorY: 0.5
+}));
+castleEnemy.x = GAME_W - CASTLE_OFFSET_X;
+castleEnemy.y = CASTLE_OFFSET_Y;
+// --- GUI: Health and Gold displays ---
+var playerHealthTxt = new Text2('1000', {
+	size: 70,
+	fill: '#fff'
+});
+playerHealthTxt.anchor.set(0, 0);
+LK.gui.top.addChild(playerHealthTxt);
+var playerGoldTxt = new Text2('200', {
+	size: 60,
+	fill: '#ffe600'
+});
+playerGoldTxt.anchor.set(0, 0);
+LK.gui.top.addChild(playerGoldTxt);
+var enemyHealthTxt = new Text2('1000', {
+	size: 70,
+	fill: '#fff'
+});
+enemyHealthTxt.anchor.set(1, 0);
+LK.gui.top.addChild(enemyHealthTxt);
+var enemyGoldTxt = new Text2('200', {
+	size: 60,
+	fill: '#ffe600'
+});
+enemyGoldTxt.anchor.set(1, 0);
+LK.gui.top.addChild(enemyGoldTxt);
+// Position GUI elements
+playerHealthTxt.x = 120;
+playerHealthTxt.y = 40;
+playerGoldTxt.x = 120;
+playerGoldTxt.y = 120;
+enemyHealthTxt.x = LK.gui.width - 120;
+enemyHealthTxt.y = 40;
+enemyGoldTxt.x = LK.gui.width - 120;
+enemyGoldTxt.y = 120;
+// --- Gold income timer ---
+var goldTimer = LK.setInterval(function () {
+	playerGold += GOLD_PER_TICK;
+	enemyGold += GOLD_PER_TICK;
+	updateGui();
+}, GOLD_TICK_MS);
+// --- GUI update function ---
+function updateGui() {
+	playerHealthTxt.setText(playerHealth);
+	playerGoldTxt.setText(playerGold);
+	enemyHealthTxt.setText(enemyHealth);
+	enemyGoldTxt.setText(enemyGold);
+}
+// --- Deploy soldier function ---
+function deploySoldier(team) {
+	var gold = team === 'player' ? playerGold : enemyGold;
+	if (gold < SOLDIER_COST) return false;
+	// Deduct gold
+	if (team === 'player') playerGold -= SOLDIER_COST;else enemyGold -= SOLDIER_COST;
+	// Random stats
+	var health = SOLDIER_HEALTH_MIN + Math.floor(Math.random() * (SOLDIER_HEALTH_MAX - SOLDIER_HEALTH_MIN + 1));
+	var attack = SOLDIER_ATTACK_MIN + Math.floor(Math.random() * (SOLDIER_ATTACK_MAX - SOLDIER_ATTACK_MIN + 1));
+	// Create soldier
+	var s = new Soldier();
+	s.init(team, health, attack);
+	s.speed = SOLDIER_SPEED;
+	s.inCombat = false;
+	// Position
+	s.y = CASTLE_OFFSET_Y;
+	if (team === 'player') {
+		s.x = castlePlayer.x + 120;
+		playerSoldiers.push(s);
+	} else {
+		s.x = castleEnemy.x - 120;
+		enemySoldiers.push(s);
+	}
+	game.addChild(s);
+	return true;
+}
+// --- Player tap to deploy soldier ---
+game.down = function (x, y, obj) {
+	// Only allow tap in lower half of screen (avoid top left menu)
+	if (y > GAME_H / 2 && playerGold >= SOLDIER_COST) {
+		deploySoldier('player');
+		updateGui();
+	}
+};
+// --- Enemy AI: deploy soldier automatically if enough gold ---
+var enemyDeployTimer = LK.setInterval(function () {
+	if (enemyGold >= SOLDIER_COST) {
+		deploySoldier('enemy');
+		updateGui();
+	}
+}, 600);
+// --- Main update loop ---
+game.update = function () {
+	// --- Update all soldiers ---
+	// 1. Move soldiers forward if not in combat
+	// 2. Check for combat with opposing soldiers
+	// 3. If at enemy castle, attack castle
+	// --- Player soldiers ---
+	for (var i = playerSoldiers.length - 1; i >= 0; i--) {
+		var s = playerSoldiers[i];
+		s.inCombat = false;
+		// Check for enemy soldier in range
+		var engaged = false;
+		for (var j = 0; j < enemySoldiers.length; j++) {
+			var e = enemySoldiers[j];
+			// If close enough (overlap)
+			if (Math.abs(s.x - e.x) < 80) {
+				// Engage in combat
+				s.inCombat = true;
+				e.inCombat = true;
+				// Both attack each other
+				if (LK.ticks % 12 === 0) {
+					// Attack every 12 frames (~5 times/sec)
+					e.health -= s.attack;
+					s.health -= e.attack;
+				}
+				// Remove dead soldiers
+				if (e.health <= 0) {
+					e.destroy();
+					enemySoldiers.splice(j, 1);
+					j--;
+				}
+				if (s.health <= 0) {
+					s.destroy();
+					playerSoldiers.splice(i, 1);
+					i--;
+					engaged = true;
+					break;
+				}
+				engaged = true;
+				break;
+			}
+		}
+		if (engaged) continue;
+		// If not in combat, check if at enemy castle
+		if (Math.abs(s.x - castleEnemy.x) < 120) {
+			s.inCombat = true;
+			if (LK.ticks % 12 === 0) {
+				enemyHealth -= s.attack;
+				if (enemyHealth < 0) enemyHealth = 0;
+				updateGui();
+			}
+			// Remove soldier if castle destroyed
+			if (enemyHealth <= 0) {
+				s.destroy();
+				playerSoldiers.splice(i, 1);
+				i--;
+			}
+		}
+	}
+	// --- Enemy soldiers ---
+	for (var i = enemySoldiers.length - 1; i >= 0; i--) {
+		var s = enemySoldiers[i];
+		s.inCombat = false;
+		// Check for player soldier in range
+		var engaged = false;
+		for (var j = 0; j < playerSoldiers.length; j++) {
+			var e = playerSoldiers[j];
+			if (Math.abs(s.x - e.x) < 80) {
+				s.inCombat = true;
+				e.inCombat = true;
+				if (LK.ticks % 12 === 0) {
+					e.health -= s.attack;
+					s.health -= e.attack;
+				}
+				if (e.health <= 0) {
+					e.destroy();
+					playerSoldiers.splice(j, 1);
+					j--;
+				}
+				if (s.health <= 0) {
+					s.destroy();
+					enemySoldiers.splice(i, 1);
+					i--;
+					engaged = true;
+					break;
+				}
+				engaged = true;
+				break;
+			}
+		}
+		if (engaged) continue;
+		// If not in combat, check if at player castle
+		if (Math.abs(s.x - castlePlayer.x) < 120) {
+			s.inCombat = true;
+			if (LK.ticks % 12 === 0) {
+				playerHealth -= s.attack;
+				if (playerHealth < 0) playerHealth = 0;
+				updateGui();
+			}
+			if (playerHealth <= 0) {
+				s.destroy();
+				enemySoldiers.splice(i, 1);
+				i--;
+			}
+		}
+	}
+	// --- Move soldiers ---
+	for (var i = 0; i < playerSoldiers.length; i++) {
+		playerSoldiers[i].update();
+	}
+	for (var i = 0; i < enemySoldiers.length; i++) {
+		enemySoldiers[i].update();
+	}
+	// --- Check win/lose ---
+	if (playerHealth <= 0) {
+		LK.effects.flashScreen(0xff0000, 1000);
+		LK.showGameOver();
+		return;
+	}
+	if (enemyHealth <= 0) {
+		LK.effects.flashScreen(0x00ff00, 1000);
+		LK.showYouWin();
+		return;
+	}
+};
+// --- Clean up timers on game over ---
+game.destroy = function () {
+	LK.clearInterval(goldTimer);
+	LK.clearInterval(enemyDeployTimer);
+};
\ No newline at end of file