===================================================================
--- original.js
+++ change.js
@@ -1,43 +1,17 @@
 function updateIteration(container, vars) {
 	for (var i = 0; i < container.length; i++) {
 		if (container[i].update(vars)) {
+			container[i].destroy();
 			container.splice(i, 1);
 			i--;
 		}
 	}
 }
-var CountdownTimer = Container.expand(function (initialCountdown) {
+var SectionalContainer = Container.expand(function (parent, x, y, difficultyScale) {
 	var self = Container.call(this);
-	var countdown = initialCountdown;
-	var ticker = 60;
-	var countdownTxt = new BorderedText('', {
-		size: 60,
-		anchor: {
-			x: .5,
-			y: 0
-		}
-	});
-	self.addChild(countdownTxt);
-	adjustLabel();
-	function update() {
-		ticker -= 1;
-		if (ticker <= 0) {
-			ticker = 60;
-			countdown--;
-			if (countdown >= 0) {
-				adjustLabel();
-			}
-		}
-		return 1 - countdown / initialCountdown;
-	}
-	function adjustLabel() {
-		var minutes = Math.floor(countdown / 60);
-		var seconds = countdown % 60;
-		var minutesString = (minutes < 10 ? '0' : '') + minutes;
-		var secondsString = (seconds < 10 ? '0' : '') + seconds;
-		countdownTxt.setText(minutesString + ':' + secondsString);
-	}
+	self.x = 0;
+	self.y = 0;
 });
 var BorderedText = Container.expand(function (string, settings) {
 	var self = Container.call(this);
 	var textList = [];
@@ -75,8 +49,41 @@
 			textList[i].setText(string);
 		}
 	};
 });
+var CountdownTimer = Container.expand(function (initialCountdown) {
+	var self = Container.call(this);
+	var countdown = initialCountdown;
+	var ticker = 60;
+	var countdownTxt = new BorderedText('', {
+		size: 60,
+		anchor: {
+			x: .5,
+			y: 0
+		}
+	});
+	self.update = update;
+	self.addChild(countdownTxt);
+	adjustLabel();
+	function update() {
+		ticker -= 1;
+		if (ticker <= 0) {
+			ticker = 60;
+			countdown--;
+			if (countdown >= 0) {
+				adjustLabel();
+			}
+		}
+		return 1 - countdown / initialCountdown;
+	}
+	function adjustLabel() {
+		var minutes = Math.floor(countdown / 60);
+		var seconds = countdown % 60;
+		var minutesString = (minutes < 10 ? '0' : '') + minutes;
+		var secondsString = (seconds < 10 ? '0' : '') + seconds;
+		countdownTxt.setText(minutesString + ':' + secondsString);
+	}
+});
 var ExperiencePickup = Container.expand(function (experience) {
 	var self = Container.call(this);
 	var pickupGraphics = self.createAsset('experiencePickup', 'Experience Pickup', .5, .5);
 	var active = false;
@@ -102,14 +109,15 @@
 var CrucifixPickup = Container.expand(function () {
 	var self = Container.call(this);
 	var pickupGraphics = self.createAsset('crucifixPickup', 'Crucifix Pickup', .5, .5);
 });
-var HealingPickup = Container.expand(function (hero) {
+var HealingPickup = Container.expand(function () {
 	var self = Container.call(this);
 	var pickupGraphics = self.createAsset('healingPickup', 'Healing Pickup', .5, .5);
 	var healPercentage = 0.1;
 	self.update = update;
-	function update() {
+	function update(args) {
+		var hero = args.hero;
 		if (self.intersects(hero)) {
 			hero.health = Math.min(hero.healthMax, hero.health + hero.healthMax * healPercentage);
 			return true;
 		}
@@ -135,15 +143,12 @@
 			self.destroy();
 		}
 	}, 0);
 });
-var SectionalContainer = Container.expand(function (parent, x, y, difficultyScale) {
-	var self = Container.call(this);
-});
 var BasicEnemy = Container.expand(function (parent, x, y, difficultyScale) {
 	var self = Container.call(this);
 	var enemyGraphics = self.createAsset('enemy', 'Enemy character', .5, .5);
-	var damageDistance = 100;
+	var damageDistance = 120;
 	var speed = 1.8;
 	var damage = 5;
 	var initialCooldown = 20;
 	var cooldown = initialCooldown;
@@ -162,39 +167,52 @@
 		var game = vars.game;
 		var healthPickups = vars.healthPickups;
 		var crucifixPickups = vars.crucifixPickups;
 		var projectiles = vars.projectiles;
+		var backgroundContainer = vars.backgroundContainer;
+		var foregroundContainer = vars.foregroundContainer;
 		var dx = hero.x - self.x;
 		var dy = hero.y - self.y;
 		var distance = Math.sqrt(dx * dx + dy * dy);
 		if (distance > damageDistance) {
 			self.x += dx / distance * speed;
 			self.y += dy / distance * speed + Math.sin((LK.ticks - creationTick) / bobPeriod) * bobMagnitude;
+			cooldown = initialCooldown;
 		} else {
 			cooldown -= 1;
 			if (cooldown <= 0) {
-				cooldown = cooldownInitial;
+				cooldown = initialCooldown;
 				hero.health -= damage;
 			}
 		}
+		var newParent;
+		if (self.y <= hero.y) {
+			newParent = backgroundContainer;
+		} else {
+			newParent = foregroundContainer;
+		}
+		if (parent !== newParent) {
+			newParent.addChild(self);
+			parent = newParent;
+		}
 		for (var j = 0; j < projectiles.length; j++) {
 			var projectile = hero.projectiles[j];
 			if (self.intersects(projectile)) {
-				self.health -= 10 + 5 * hero.minorBoonLevels['Damage'];
+				self.health -= projectile.damage;
 				if (self.health.health <= 0) {
 					if (crucifixPickups.length < 1 && Math.random() < Math.sqrt(hero.minorBoonLevels['Luck']) / 100) {
 						var crucifixPickup = new CrucifixPickup();
 						crucifixPickup.x = self.x;
 						crucifixPickup.y = self.y;
-						self.addChild(crucifixPickup);
+						game.addChild(crucifixPickup);
 						crucifixPickups.push(crucifixPickup);
 					} else if (healthPickups.length < 5) {
 						for (var k = 0; k <= hero.minorBoonLevels['Luck']; k++) {
-							if (Math.random() < 0.05) {
+							if (Math.random() < 0.02) {
 								var pickup = new HealingPickup();
 								pickup.x = self.x;
 								pickup.y = self.y;
-								self.addChild(pickup);
+								game.addChild(pickup);
 								healthPickups.push(pickup);
 								break;
 							}
 						}
@@ -218,60 +236,69 @@
 			}
 		}
 	}
 });
-var CrossProjectile = Container.expand(function () {
+var CrossProjectile = Container.expand(function (parent, x, y) {
 	var self = Container.call(this);
-	var bulletGraphics = self.createAsset('crossProjectile', 'Bullet Graphics', .5, .5);
+	var projectileAsset = self.createAsset('crossProjectile', 'Projectile Asset', .5, .5);
 	self.speed = 30;
 	self.range = null;
+	self.damage = null;
 	self.destroyRange = -1200;
 	self.travelDistance = 200;
-	self.update = function (vars) {
-		var hero = vars.hero;
+	self.targetPos = {
+		x,
+		y
+	};
+	self.update = function (args) {
+		var hero = args.hero;
 		self.x += self.speed * Math.cos(self.angle);
 		self.y += self.speed * Math.sin(self.angle);
 		self.rotation += 0.2;
 		self.travelDistance -= Math.abs(self.speed);
 		if (self.travelDistance <= 0 && self.speed > -30) {
 			self.speed -= 1;
 		}
-		return (self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) && self.travelDistance < -self.destroyRange || self.intersects(hero) && projectile.speed < 0;
+		return (self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) && self.travelDistance < self.destroyRange || self.intersects(hero) && self.speed < 0;
 	};
 });
 var CrossWeapon = Container.expand(function (hero) {
 	var self = Container.call(this);
 	self.initialCooldown = 120;
 	self.cooldown = self.initialCooldown;
-	self.launch = function () {
-		var bullet = new Bullet(hero);
-		var scale = 1 + 0.25 * hero.minorBoonLevels['Scale'];
-		var range = 200 + 50 * hero.minorBoonLevels['Range'];
-		var dx = hero.targetPos.x - hero.x;
-		var dy = hero.targetPos.y - hero.y;
-		bullet.x = hero.x;
-		bullet.y = hero.y;
-		bullet.angle = Math.atan2(dy, dx);
-		bullet.range = range;
-		bullet.initialRange = range;
-		hero.projectiles.push(bullet);
-		self.addChild(bullet);
-	};
-	self.update = function () {
+	self.update = update;
+	self.launch = launch;
+	function update(args) {
 		if (self.cooldown > 0) {
 			self.cooldown--;
 		} else {
-			self.launch();
+			self.launch(args);
 			var attackSpeed = 1 + 0.25 * hero.minorBoonLevels['Rearm'];
 			self.cooldown = self.initialCooldown / attackSpeed;
 		}
-	};
+	}
+	function launch(args) {
+		var game = args.game;
+		var projectile = new CrossProjectile(hero);
+		var scale = 1 + 0.25 * hero.minorBoonLevels['Scale'];
+		var range = 200 + 50 * hero.minorBoonLevels['Range'];
+		var damage = 10 + 5 * hero.minorBoonLevels['Damage'];
+		var dx = hero.shootPos.x - hero.x;
+		var dy = hero.shootPos.y - hero.y;
+		projectile.x = hero.x;
+		projectile.y = hero.y;
+		projectile.angle = Math.atan2(dy, dx);
+		projectile.range = range;
+		projectile.initialRange = range;
+		hero.projectiles.push(projectile);
+		game.addChild(projectile);
+	}
 });
-var Hero = Container.expand(function (consts) {
+var Hero = Container.expand(function (parent, x, y, args) {
 	var self = Container.call(this);
 	var heroGraphics = self.createAsset('hero', 'Hero character', .5, .5);
-	var progressBar = consts.progressBar;
-	var onLevelUp = consts.onLevelUp;
+	var progressBar = args.progressBar;
+	var onLevelUp = args.onLevelUp;
 	var experience = 0;
 	var level = 1;
 	var levelRequirement = 20;
 	self.minorBoonLevels = {
@@ -285,11 +312,13 @@
 		'Split': 0,
 		'Multi': 0
 	};
 	self.shootPos = {
-		x: 2048 / 2,
-		y: 2732 / 2
+		x,
+		y
 	};
+	self.x = x;
+	self.y = y;
 	self.weapons = [];
 	self.projectiles = [];
 	self.crossWeapon = new CrossWeapon(self);
 	self.weapons.push(self.crossWeapon);
@@ -302,9 +331,11 @@
 	self.healthBarBorder.x = self.healthBar.x;
 	self.healthBarBorder.width = self.healthBar.width + 10;
 	self.healthBarBorder.height = self.healthBar.height + 10;
 	self.update = update;
-	function update(enemies) {
+	parent.addChild(self);
+	function update(args) {
+		var game = args.game;
 		self.healthBar.scale.x = Math.max(0, self.health / self.healthMax);
 		if (self.health <= 0) {
 			LK.showGameOver();
 		}
@@ -325,9 +356,14 @@
 			self.scale.x = -1;
 		} else {
 			self.scale.x = 1;
 		}
-		iterateContainer(self.weapons);
+		updateIteration(self.weapons, {
+			game
+		});
+		updateIteration(self.projectiles, {
+			hero: self
+		});
 	}
 	function addExperience(amount) {
 		if (experience >= levelRequirement) {
 			level++;
@@ -402,9 +438,9 @@
 	}
 });
 var Game = Container.expand(function () {
 	var self = Container.call(this);
-	var isPaused = true;
+	var isPaused = false;
 	var minorBoonCount = 0;
 	var majorBoonCount = 0;
 	var grass = self.createAsset('grass', 'Grass Background', 0, 0);
 	var canMove = false;
@@ -421,9 +457,8 @@
 	var updateButton = LK.gui.topRight.createAsset('updateButton', 'Update Button', 0.5, 0.5);
 	LK.gui.topRight.addChild(availableBoonsTxt);
 	grass.width = 2048;
 	grass.height = 2732;
-	self.addChild(grass);
 	updateButton.x = -70;
 	updateButton.y = 70;
 	updateButton.on('down', function () {
 		if (minorBoonCount + majorBoonCount > 0) {
@@ -436,8 +471,10 @@
 			y: 0
 		},
 		size: 80
 	});
+	var foregroundContainer = new SectionalContainer();
+	var backgroundContainer = new SectionalContainer();
 	var selectingBoon = false;
 	var progressBarBorder = LK.getAsset('progressBarBorder', 'Progress Bar Border', 0, .5);
 	var progressBar = LK.getAsset('progressBar', 'Progress Bar', 0, .5);
 	var enemyProjectiles = [];
@@ -445,12 +482,8 @@
 	var healthPickups = [];
 	var crucifixPickups = [];
 	var experiencePickups = [];
 	var countdownTimer = new CountdownTimer(300);
-	var hero = new Hero({
-		progressBar,
-		onLevelUp
-	});
 	LK.gui.topCenter.addChild(countdownTimer);
 	LK.gui.topCenter.addChild(progressBarBorder);
 	LK.gui.topCenter.addChild(progressBar);
 	LK.gui.topCenter.addChild(levelTxt);
@@ -459,12 +492,16 @@
 	progressBarBorder.y = levelTxt.y + levelTxt.height / 2;
 	progressBar.x = 24;
 	progressBar.y = levelTxt.y + levelTxt.height / 2;
 	progressBar.scale.x = 0;
-	hero.x = 2048 / 2;
-	hero.y = 2732 / 2;
 	self.targetPos = null;
-	self.addChild(hero);
+	self.addChild(grass);
+	self.addChild(backgroundContainer);
+	var hero = new Hero(self, 2048 / 2, 2732 / 2, {
+		progressBar,
+		onLevelUp
+	});
+	self.addChild(foregroundContainer);
 	refreshBoonUpgradeButton();
 	stage.on('down', function (obj) {
 		canMove = true;
 		hero.targetPos = obj.event.getLocalPosition(self);
@@ -488,27 +525,37 @@
 	});
 	LK.on('tick', function () {
 		if (!isPaused) {
 			difficultyScale = countdownTimer.update();
-			hero.update();
-			updateContainer(healthPickups);
-			updateContainer(enemyProjectiles);
-			updateContainer(enemies, {
-				projectiles: hero.projectiles
+			hero.update({
+				game: self
 			});
-			updateContainer(experiencePickups, {
-				hero: hero
+			updateIteration(healthPickups, {
+				hero
 			});
+			updateIteration(enemyProjectiles);
+			updateIteration(enemies, {
+				hero,
+				game: self,
+				healthPickups,
+				crucifixPickups,
+				projectiles: hero.projectiles,
+				backgroundContainer,
+				foregroundContainer
+			});
+			updateIteration(experiencePickups, {
+				hero
+			});
 			for (var i = 0; i < crucifixPickups.length; i++) {
 				if (hero.intersects(crucifixPickups[i])) {
 					for (var j = 0; j < enemies.length; j++) {
 						enemies[j].destroy();
 					}
 					enemies = [];
-					for (var j = 0; j < enemyBullets.length; j++) {
-						enemyBullets[j].destroy();
+					for (var j = 0; j < enemyProjectiles.length; j++) {
+						enemyProjectiles[j].destroy();
 					}
-					enemyBullets = [];
+					enemyProjectiles = [];
 					for (var j = 0; j < healthPickups.length; j++) {
 						healthPickups[j].destroy();
 					}
 					healthPickups = [];
@@ -569,29 +616,30 @@
 		}
 	}
 	function spawnEnemy() {
 		var side = Math.floor(Math.random() * 4);
-		var enemy = new Enemy(hero);
+		var distance = Math.random();
+		var x, y;
 		switch (side) {
 			case 0:
-				enemy.x = Math.random() * 2048;
-				enemy.y = 0;
+				x = distance * 2048;
+				y = 0;
 				break;
 			case 1:
-				enemy.x = 2048;
-				enemy.y = Math.random() * 2732;
+				x = 2048;
+				y = distance * 2732;
 				break;
 			case 2:
-				enemy.x = Math.random() * 2048;
-				enemy.y = 2732;
+				x = distance * 2048;
+				y = 2732;
 				break;
 			case 3:
-				enemy.x = 0;
-				enemy.y = Math.random() * 2732;
+				x = 0;
+				y = distance * 2732;
 				break;
 		}
+		var enemy = new BasicEnemy(self, x, y, difficultyScale);
 		enemies.push(enemy);
-		self.addChild(enemy);
 	}
 	function onLevelUp(level) {
 		levelTxt.setText('Level ' + level + ' • XP');
 		if (level % 5) {