===================================================================
--- original.js
+++ change.js
@@ -18,8 +18,27 @@
 	self.miningRange = 25;
 	self.miningCooldown = 0;
 	self.miningRate = 30;
 	self.miningDamage = 1;
+	// ------------------
+	// 1) Miner picks the *closest* valid ore (rather than the highest tier):
+	//    We simply sort valid ores by distance ascending.
+	// ------------------
+	self.findNewTarget = function () {
+		var validOres = ores.filter(function (ore) {
+			return ore.health > 0 && ore.tier <= gameState.currentTier;
+		});
+		if (validOres.length === 0) {
+			self.currentTarget = null;
+			return;
+		}
+		// Sort by distance ascending
+		self.currentTarget = validOres.sort(function (a, b) {
+			var distA = Math.hypot(a.x - self.x, a.y - self.y);
+			var distB = Math.hypot(b.x - self.x, b.y - self.y);
+			return distA - distB;
+		})[0];
+	};
 	self.update = function () {
 		self.findNewTarget();
 		if (self.currentTarget) {
 			var dx = self.currentTarget.x - self.x;
@@ -34,35 +53,25 @@
 		} else {
 			self.y += Math.sin(LK.time.elapsed / 250) * 0.5;
 		}
 	};
-	self.findNewTarget = function () {
-		var validOres = ores.filter(function (ore) {
-			return ore.health > 0 && ore.tier <= gameState.currentTier;
-		});
-		if (validOres.length === 0) {
-			return;
-		}
-		self.currentTarget = validOres.sort(function (a, b) {
-			if (a.tier !== b.tier) {
-				return b.tier - a.tier;
-			}
-			return Math.hypot(a.x - self.x, a.y - self.y) - Math.hypot(b.x - self.x, b.y - self.y);
-		})[0];
-	};
 	self.mineOre = function (ore) {
 		if (self.miningCooldown > 0) {
 			self.miningCooldown--;
 			return;
 		}
+		// Deal damage
 		ore.health -= self.miningDamage * gameState.pickaxeLevel;
 		self.miningCooldown = self.miningRate;
+		// If ore is destroyed, add money & respawn with delay
 		if (ore.health <= 0) {
 			gameState.money += ore.getValue();
-			ore.respawn();
 			updateUI();
+			ore.respawn();
+			// Immediately find new target
 			self.findNewTarget();
 		}
+		// Mining particle effect
 		for (var i = 0; i < 5; i++) {
 			var p = LK.getAsset('mining_particle', {
 				anchorX: 0.5,
 				anchorY: 0.5
@@ -90,45 +99,75 @@
 var Ore = Container.expand(function (type) {
 	var self = Container.call(this);
 	self.type = type;
 	self.tier = ['coal', 'iron', 'gold', 'diamond'].indexOf(type) + 1;
+	// Value depends on tier (5 * tier base) plus multipliers
 	self.baseValue = 5 * self.tier;
 	self.attachAsset(type + '_ore', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
+	// Returns final value (this ensures higher ores give more)
 	self.getValue = function () {
-		return self.baseValue * gameState.oreMultipliers[type];
+		return self.baseValue * gameState.oreMultipliers[self.type];
 	};
+	// ------------------
+	// 2) Add a respawn timer. We now hide the ore, wait, then put it back.
+	//    The timer is controlled by gameState.respawnTime, which can be upgraded.
+	// ------------------
 	self.respawn = function () {
-		self.health = 10;
-		self.visible = true;
-		self.x = 100 + Math.random() * (2048 - 200);
-		self.y = 100 + Math.random() * (2732 - 200);
-		var indicator = LK.getAsset('glowing_line_asset', {
-			width: 100,
-			height: 100
-		});
-		indicator.x = self.x;
-		indicator.y = self.y;
-		game.addChild(indicator);
-		tween(indicator, {
-			alpha: 0
-		}, {
-			duration: 1000,
+		// Hide & "remove" ore
+		self.visible = false;
+		self.health = 0;
+		self.x = -9999;
+		self.y = -9999;
+		// Use tween with 0 property changes, just to use onFinish after the delay
+		tween(self, {}, {
+			duration: gameState.respawnTime,
 			onFinish: function onFinish() {
-				return indicator.destroy();
+				// Restore ore
+				self.health = 10;
+				self.x = 100 + Math.random() * (2048 - 200);
+				self.y = 100 + Math.random() * (2732 - 200);
+				self.visible = true;
+				// Glowing indicator
+				var indicator = LK.getAsset('glowing_line_asset', {
+					width: 100,
+					height: 100
+				});
+				indicator.x = self.x;
+				indicator.y = self.y;
+				game.addChild(indicator);
+				tween(indicator, {
+					alpha: 0
+				}, {
+					duration: 1000,
+					onFinish: function onFinish() {
+						return indicator.destroy();
+					}
+				});
 			}
 		});
 	};
+	// Health bar
 	self.healthBar = LK.getAsset('rectangle', {
 		width: 60,
 		height: 5,
 		fill: 0x00FF00
 	});
 	self.healthBar.y = -40;
 	self.addChild(self.healthBar);
-	self.respawn();
+	// Place ore randomly at start
+	// (Call respawn directly to set position, etc.)
+	// Because we want it visible at first, we set a tiny delay of 1 so it spawns immediately
+	tween(self, {}, {
+		duration: 1,
+		onFinish: function onFinish() {
+			self.health = 10;
+			self.x = 100 + Math.random() * (2048 - 200);
+			self.y = 100 + Math.random() * (2732 - 200);
+		}
+	});
 	return self;
 });
 
 /**** 
@@ -140,30 +179,36 @@
 
 /**** 
 * Game Code
 ****/ 
+// This container is for the upgrade menu
 var upgradeMenu = new Container();
 var tooltip = new Text2('', {
 	size: 40,
 	fill: 0xFFFFFF
 });
+// ------------------
+// 3) Add an upgrade that lowers the respawn time.
+//    We also keep existing upgrades. 
+//    The "faster_respawn" upgrade will cut the time in half (down to a minimum).
+// ------------------
 var upgrades = [{
 	id: 'coal_expert',
 	name: "Coal Expertise",
 	cost: 100,
 	effect: "Double coal value",
 	tier: 1,
 	action: function action() {
-		return gameState.oreMultipliers.coal *= 2;
+		gameState.oreMultipliers.coal *= 2;
 	}
 }, {
 	id: 'unlock_iron',
 	name: "Iron Mining",
 	cost: 500,
 	effect: "Unlock iron mining",
 	tier: 2,
 	action: function action() {
-		return gameState.currentTier = 2;
+		gameState.currentTier = 2;
 	}
 }, {
 	id: 'iron_expert',
 	name: "Iron Expertise",
@@ -171,18 +216,18 @@
 	effect: "Triple iron value",
 	tier: 2,
 	requires: 'unlock_iron',
 	action: function action() {
-		return gameState.oreMultipliers.iron *= 3;
+		gameState.oreMultipliers.iron *= 3;
 	}
 }, {
 	id: 'unlock_gold',
 	name: "Gold Mining",
 	cost: 5000,
 	effect: "Unlock gold mining",
 	tier: 3,
 	action: function action() {
-		return gameState.currentTier = 3;
+		gameState.currentTier = 3;
 	}
 }, {
 	id: 'gold_expert',
 	name: "Gold Expertise",
@@ -190,20 +235,36 @@
 	effect: "Quadruple gold value",
 	tier: 3,
 	requires: 'unlock_gold',
 	action: function action() {
-		return gameState.oreMultipliers.gold *= 4;
+		gameState.oreMultipliers.gold *= 4;
 	}
 }, {
 	id: 'unlock_diamond',
 	name: "Diamond Mining",
 	cost: 20000,
 	effect: "Unlock diamond mining",
 	tier: 4,
 	action: function action() {
-		return gameState.currentTier = 4;
+		gameState.currentTier = 4;
 	}
+},
+// New upgrade to lower respawn time
+{
+	id: 'faster_respawn',
+	name: "Quicker Respawn",
+	cost: 8000,
+	effect: "Halves ore respawn time",
+	tier: 2,
+	action: function action() {
+		// Halve the respawn time, but don't let it go below 500 ms
+		gameState.respawnTime = Math.max(500, gameState.respawnTime / 2);
+	}
 }];
+// ------------------
+// 4) Added a new property: respawnTime, controlling how long
+//    each ore waits before reappearing. Default is 3000 ms.
+// ------------------
 var gameState = {
 	money: 0,
 	pickaxeLevel: 1,
 	currentTier: 1,
@@ -211,10 +272,12 @@
 		coal: 1,
 		iron: 1,
 		gold: 1,
 		diamond: 1
-	}
+	},
+	respawnTime: 3000 // 3 seconds by default
 };
+// Create the miner
 var miner = game.addChild(new Miner());
 miner.x = 2048 / 2;
 miner.y = 2732 / 2;
 // Create ores
@@ -254,8 +317,9 @@
 game.addChild(moneyDisplay);
 game.addChild(shopButton);
 game.addChild(tooltip);
 function createUpgradeMenu() {
+	// Clear old menu
 	upgradeMenu.removeChildren();
 	// Menu background
 	var menuBg = LK.getAsset('rectangle', {
 		width: 1600,
@@ -266,34 +330,41 @@
 	});
 	menuBg.x = 2048 / 2;
 	menuBg.y = 2732 / 2;
 	upgradeMenu.addChild(menuBg);
-	// Upgrades
+	// ------------------
+	// 5) Put the buy button behind the text:
+	//    - We'll first add the button, then add the text on top in the upgradeMenu.
+	// ------------------
 	upgrades.forEach(function (upgrade, i) {
-		var _upgrades$find;
+		var requirement = null;
+		if (upgrade.requires) {
+			requirement = upgrades.find(function (u) {
+				return u.id === upgrade.requires;
+			});
+		}
 		var y = 2732 / 2 - 500 + i * 200;
+		// The buy button
 		var btn = LK.getAsset('buy_button', {
 			anchorX: 0.5,
 			anchorY: 0.5
 		});
 		btn.x = 2048 / 2;
 		btn.y = y;
-		var canBuy = !upgrade.purchased && gameState.money >= upgrade.cost && (!upgrade.requires || ((_upgrades$find = upgrades.find(function (u) {
-			return u.id === upgrade.requires;
-		})) === null || _upgrades$find === void 0 ? void 0 : _upgrades$find.purchased));
-		var text = new Text2("".concat(upgrade.name, "\n").concat(upgrade.effect, "\n$").concat(upgrade.cost), {
+		upgradeMenu.addChild(btn);
+		// Decide if we can buy
+		var canBuy = !upgrade.purchased && gameState.money >= upgrade.cost && (!requirement || requirement.purchased);
+		// Text on top of button
+		var text = new Text2(upgrade.name + "\n" + upgrade.effect + "\n$" + upgrade.cost, {
 			size: 40,
-			fill: 0x000000,
-			// Always black text
-			fontWeight: 'bold',
-			// Make text bold
-			stroke: 0x000000,
-			// Add black outline
-			strokeThickness: 3 // Thickness of the outline
+			fill: canBuy ? 0xFFFFFF : 0x666666,
+			align: 'center'
 		});
-		text.anchor.set(0.5);
-		upgradeMenu.addChild(btn);
-		btn.addChild(text);
+		text.anchor.set(0.5, 0.5);
+		text.x = btn.x;
+		text.y = btn.y;
+		upgradeMenu.addChild(text);
+		// Button action
 		btn.down = function () {
 			if (canBuy) {
 				gameState.money -= upgrade.cost;
 				upgrade.purchased = true;
@@ -301,9 +372,8 @@
 				createUpgradeMenu();
 				updateUI();
 			}
 		};
-		upgradeMenu.addChild(btn);
 	});
 	// Close button
 	var closeBtn = LK.getAsset('cancelButton', {
 		anchorX: 0.5,
@@ -316,11 +386,12 @@
 	};
 	upgradeMenu.addChild(closeBtn);
 }
 function updateUI() {
-	moneyDisplay.setText("$".concat(gameState.money.toLocaleString(), "\n") + "Multipliers: C".concat(gameState.oreMultipliers.coal, "x ") + "I".concat(gameState.oreMultipliers.iron, "x ") + "G".concat(gameState.oreMultipliers.gold, "x ") + "D".concat(gameState.oreMultipliers.diamond, "x"));
+	moneyDisplay.setText("$" + gameState.money.toLocaleString() + "\n" + "Multipliers: " + "C" + gameState.oreMultipliers.coal + "x " + "I" + gameState.oreMultipliers.iron + "x " + "G" + gameState.oreMultipliers.gold + "x " + "D" + gameState.oreMultipliers.diamond + "x");
 	moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
 }
+// Main game update
 game.update = function () {
 	miner.update();
 	ores.forEach(function (ore) {
 		if (ore.health > 0) {
@@ -328,19 +399,22 @@
 			ore.healthBar.fill = interpolateColor(0xFF0000, 0x00FF00, ore.health / 10);
 		}
 	});
 };
-// Helper functions
+// Helper for color interpolation
 function interpolateColor(color1, color2, factor) {
 	var r1 = color1 >> 16 & 0xff;
 	var g1 = color1 >> 8 & 0xff;
 	var b1 = color1 & 0xff;
 	var r2 = color2 >> 16 & 0xff;
 	var g2 = color2 >> 8 & 0xff;
 	var b2 = color2 & 0xff;
-	return Math.round(r1 + factor * (r2 - r1)) << 16 | Math.round(g1 + factor * (g2 - g1)) << 8 | Math.round(b1 + factor * (b2 - b1));
+	var r = Math.round(r1 + factor * (r2 - r1));
+	var g = Math.round(g1 + factor * (g2 - g1));
+	var b = Math.round(b1 + factor * (b2 - b1));
+	return r << 16 | g << 8 | b;
 }
-// Save system
+// Save & Load
 LK.saveGame = function () {
 	return gameState;
 };
 LK.loadGame = function (data) {