===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,88 @@
-/****
+/**** 
+* Classes
+****/ 
+// No plugins needed for this game
+// Button class: a simple rectangular button with centered text
+var BlueButton = Container.expand(function () {
+	var self = Container.call(this);
+	// Button dimensions
+	var btnWidth = 600;
+	var btnHeight = 200;
+	// Create button background (rounded rectangle using ellipse for corners)
+	var btnBg = self.attachAsset('buttonBg', {
+		width: btnWidth,
+		height: btnHeight,
+		color: 0x1e90ff,
+		// Dodger blue
+		shape: 'box',
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Button label
+	var btnLabel = new Text2('PRESS ME', {
+		size: 90,
+		fill: 0xFFFFFF
+	});
+	btnLabel.anchor.set(0.5, 0.5);
+	btnLabel.x = 0;
+	btnLabel.y = 0;
+	self.addChild(btnLabel);
+	// Optional: visual feedback on press
+	self.down = function (x, y, obj) {
+		btnBg.alpha = 0.7;
+	};
+	self.up = function (x, y, obj) {
+		btnBg.alpha = 1;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0xffffff // Start with white background
+});
+
+/**** 
+* Game Code
+****/ 
+// Set initial background color (white)
+game.setBackgroundColor(0xffffff);
+// Create the button and center it
+var blueBtn = new BlueButton();
+blueBtn.x = 2048 / 2;
+blueBtn.y = 2732 / 2;
+game.addChild(blueBtn);
+// Prevent button from being placed in the top-left 100x100 area
+// (It's centered, so this is always satisfied)
+// Handle button press: turn the whole screen blue
+blueBtn.up = function (x, y, obj) {
+	// Instantly set background to blue screen color
+	game.setBackgroundColor(0x0078d7); // Classic Windows blue screen color
+	// Optionally, hide the button after press
+	blueBtn.visible = false;
+	// Optionally, show a "sad face" or error text (not required by MVP)
+	// Uncomment below to add a sad face and error text:
+	/*
+	var sadFace = new Text2(':(', {
+		size: 400,
+		fill: "#ffffff"
+	});
+	sadFace.anchor.set(0.5, 0.5);
+	sadFace.x = 2048 / 2;
+	sadFace.y = 2732 / 2 - 250;
+	game.addChild(sadFace);
+		var errorText = new Text2('Your game ran into a problem and needs to restart.', {
+		size: 70,
+		fill: "#ffffff"
+	});
+	errorText.anchor.set(0.5, 0.5);
+	errorText.x = 2048 / 2;
+	errorText.y = 2732 / 2 + 100;
+	game.addChild(errorText);
+	*/
+};
+// No update loop or other game logic needed for this MVP
+// No GUI elements needed
+// No sounds, music, or other effects per requirements
\ No newline at end of file