===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,243 @@
-/****
+/**** 
+* Classes
+****/ 
+// Archer class: ranged unit, attacks enemies in range
+var Archer = Container.expand(function () {
+	var self = Container.call(this);
+	var archerSprite = self.attachAsset('archer', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.range = 500;
+	self.attackCooldown = 60;
+	self.cooldown = 0;
+	self.update = function () {
+		if (self.cooldown > 0) self.cooldown--;
+		for (var i = 0; i < enemies.length; i++) {
+			var e = enemies[i];
+			var dx = e.x - self.x;
+			var dy = e.y - self.y;
+			var dist = Math.sqrt(dx * dx + dy * dy);
+			if (dist < self.range && self.cooldown === 0) {
+				// Remove enemy
+				e.destroy();
+				enemies.splice(i, 1);
+				LK.setScore(LK.getScore() + 1);
+				self.cooldown = self.attackCooldown;
+				break;
+			}
+		}
+	};
+	return self;
+});
+// Arrays to track all units and enemies
+// Enemy class: moves from top to bottom, tracks lastY for event triggers
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var enemySprite = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6 + Math.random() * 2; // Vary speed a bit
+	self.lastY = self.y;
+	self.update = function () {
+		self.lastY = self.y;
+		self.y += self.speed;
+	};
+	return self;
+});
+// Legionnaire class: melee unit, attacks enemies in range
+var Legionnaire = Container.expand(function () {
+	var self = Container.call(this);
+	var legionSprite = self.attachAsset('legionnaire', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.range = 180;
+	self.attackCooldown = 30;
+	self.cooldown = 0;
+	self.update = function () {
+		if (self.cooldown > 0) self.cooldown--;
+		for (var i = 0; i < enemies.length; i++) {
+			var e = enemies[i];
+			var dx = e.x - self.x;
+			var dy = e.y - self.y;
+			var dist = Math.sqrt(dx * dx + dy * dy);
+			if (dist < self.range && self.cooldown === 0) {
+				// Remove enemy
+				e.destroy();
+				enemies.splice(i, 1);
+				LK.setScore(LK.getScore() + 1);
+				self.cooldown = self.attackCooldown;
+				break;
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
\ No newline at end of file
+});
+
+/**** 
+* Game Code
+****/ 
+// Arrays to track all units and enemies
+var enemies = [];
+var legionnaires = [];
+var archers = [];
+var fortressHealth = 10;
+var spawnTimer = 0;
+var deployMode = null; // 'legionnaire' or 'archer'
+var draggingUnit = null;
+var reserveLegionnaires = 3;
+var reserveArchers = 2;
+// Score display
+var scoreTxt = new Text2('0', {
+	size: 100,
+	fill: "#fff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Fortress health display
+var healthTxt = new Text2('Fortress: ' + fortressHealth, {
+	size: 80,
+	fill: 0xFFB300
+});
+healthTxt.anchor.set(0, 0);
+LK.gui.top.addChild(healthTxt);
+healthTxt.x = 120;
+// Unit reserve display
+var legionReserveTxt = new Text2('Legionnaires: ' + reserveLegionnaires, {
+	size: 70,
+	fill: "#fff"
+});
+legionReserveTxt.anchor.set(0, 0);
+LK.gui.top.addChild(legionReserveTxt);
+legionReserveTxt.x = 400;
+var archerReserveTxt = new Text2('Archers: ' + reserveArchers, {
+	size: 70,
+	fill: "#fff"
+});
+archerReserveTxt.anchor.set(0, 0);
+LK.gui.top.addChild(archerReserveTxt);
+archerReserveTxt.x = 900;
+// Reserve area for dragging units
+var legionReserveIcon = LK.getAsset('legionnaire', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 200,
+	y: 2600
+});
+game.addChild(legionReserveIcon);
+var archerReserveIcon = LK.getAsset('archer', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 400,
+	y: 2600
+});
+game.addChild(archerReserveIcon);
+// Drag logic
+game.down = function (x, y, obj) {
+	// Only allow dragging from reserve if units available
+	if (Math.abs(x - legionReserveIcon.x) < 100 && Math.abs(y - legionReserveIcon.y) < 100 && reserveLegionnaires > 0) {
+		deployMode = 'legionnaire';
+		draggingUnit = LK.getAsset('legionnaire', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: x,
+			y: y
+		});
+		game.addChild(draggingUnit);
+	} else if (Math.abs(x - archerReserveIcon.x) < 100 && Math.abs(y - archerReserveIcon.y) < 100 && reserveArchers > 0) {
+		deployMode = 'archer';
+		draggingUnit = LK.getAsset('archer', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: x,
+			y: y
+		});
+		game.addChild(draggingUnit);
+	}
+};
+game.move = function (x, y, obj) {
+	if (draggingUnit) {
+		draggingUnit.x = x;
+		draggingUnit.y = y;
+	}
+};
+game.up = function (x, y, obj) {
+	if (draggingUnit && deployMode) {
+		// Only allow deployment in battlefield area (not on reserve)
+		if (y < 2400) {
+			if (deployMode === 'legionnaire' && reserveLegionnaires > 0) {
+				var l = new Legionnaire();
+				l.x = x;
+				l.y = y;
+				legionnaires.push(l);
+				game.addChild(l);
+				reserveLegionnaires--;
+				legionReserveTxt.setText('Legionnaires: ' + reserveLegionnaires);
+			} else if (deployMode === 'archer' && reserveArchers > 0) {
+				var a = new Archer();
+				a.x = x;
+				a.y = y;
+				archers.push(a);
+				game.addChild(a);
+				reserveArchers--;
+				archerReserveTxt.setText('Archers: ' + reserveArchers);
+			}
+		}
+		draggingUnit.destroy();
+		draggingUnit = null;
+		deployMode = null;
+	}
+};
+game.update = function () {
+	// Spawn enemies every 60 ticks
+	spawnTimer++;
+	if (spawnTimer >= 60) {
+		spawnTimer = 0;
+		var e = new Enemy();
+		e.x = 200 + Math.random() * 1648;
+		e.y = -60;
+		enemies.push(e);
+		game.addChild(e);
+	}
+	// Update all enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var e = enemies[i];
+		e.update();
+		// Check if enemy reached fortress (bottom)
+		if (e.lastY < 2650 && e.y >= 2650) {
+			fortressHealth--;
+			healthTxt.setText('Fortress: ' + fortressHealth);
+			e.destroy();
+			enemies.splice(i, 1);
+			if (fortressHealth <= 0) {
+				LK.effects.flashScreen(0xff0000, 1000);
+				LK.showGameOver();
+				return;
+			}
+		}
+	}
+	// Update all legionnaires
+	for (var i = 0; i < legionnaires.length; i++) {
+		legionnaires[i].update();
+	}
+	// Update all archers
+	for (var i = 0; i < archers.length; i++) {
+		archers[i].update();
+	}
+	// Update score
+	scoreTxt.setText(LK.getScore());
+	// Win condition: 30 points
+	if (LK.getScore() >= 30) {
+		LK.effects.flashScreen(0x00ff00, 1000);
+		LK.showYouWin();
+	}
+};
\ No newline at end of file