===================================================================
--- original.js
+++ change.js
@@ -623,24 +623,122 @@
 			levelText.setText('Level: ' + self.currentLevel + ' Solved!');
 			isPlaying = false;
 		}
 	};
-	self.checkWinCondition = function () {
-		// Implement the logic to check if the current puzzle state is a winning state
-		// This is a placeholder implementation
-		return self.grid.every(function (row) {
-			return row.every(function (tile) {
-				return tile.type !== 'empty';
-			});
-		});
-	};
 	self.reset = function () {
 		self.currentLevel = 1;
 		self.selectedTile = null;
 		self.isComplete = false;
 		self.waterFlowing = false;
 		self.initPuzzle();
 	};
+	self.checkWinCondition = function () {
+		// Find start tile
+		var startTile = null;
+		var startX = 0;
+		var startY = 0;
+		for (var i = 0; i < self.gridSize; i++) {
+			for (var j = 0; j < self.gridSize; j++) {
+				if (self.grid[i][j].type === 'start') {
+					startTile = self.grid[i][j];
+					startX = i;
+					startY = j;
+					break;
+				}
+			}
+			if (startTile) {
+				break;
+			}
+		}
+		if (!startTile) {
+			return false;
+		}
+		// Check if there's a valid path from start to end
+		return self.canReachEnd(startX, startY, new Set());
+	};
+	self.canReachEnd = function (x, y, visited) {
+		// Check bounds
+		if (x < 0 || x >= self.gridSize || y < 0 || y >= self.gridSize) {
+			return false;
+		}
+		// Get current tile
+		var tile = self.grid[x][y];
+		if (!tile) {
+			return false;
+		}
+		// Mark as visited
+		var key = x + ',' + y;
+		if (visited.has(key)) {
+			return false;
+		}
+		visited.add(key);
+		// If we reached the end tile, success!
+		if (tile.type === 'end') {
+			return true;
+		}
+		// Get possible directions based on tile type and rotation
+		var directions = [];
+		switch (tile.type) {
+			case 'start':
+				directions.push([0, 1]); // Down
+				break;
+			case 'straightPipeV':
+				directions.push([0, 1], [0, -1]); // Up and down
+				break;
+			case 'straightPipeH':
+				directions.push([1, 0], [-1, 0]); // Left and right
+				break;
+			case 'cornerPipe':
+				if (tile.rotation === 'up') {
+					directions.push([1, 0], [0, -1]); // Right and up
+				} else if (tile.rotation === 'right') {
+					directions.push([1, 0], [0, 1]); // Right and down
+				} else if (tile.rotation === 'down') {
+					directions.push([-1, 0], [0, 1]); // Left and down
+				} else {
+					directions.push([-1, 0], [0, -1]); // Left and up
+				}
+				break;
+		}
+		// Try each direction
+		for (var _i = 0, _directions = directions; _i < _directions.length; _i++) {
+			var _directions$_i = _slicedToArray(_directions[_i], 2),
+				dx = _directions$_i[0],
+				dy = _directions$_i[1];
+			if (self.canReachEnd(x + dx, y + dy, visited)) {
+				return true;
+			}
+		}
+		return false;
+	};
+	self.startWaterFlow = function () {
+		if (self.waterFlowing) {
+			return;
+		}
+		self.waterFlowing = true;
+		// Find start tile
+		var startTile = null;
+		for (var i = 0; i < self.gridSize; i++) {
+			for (var j = 0; j < self.gridSize; j++) {
+				if (self.grid[i][j].type === 'start') {
+					startTile = self.grid[i][j];
+					break;
+				}
+			}
+			if (startTile) {
+				break;
+			}
+		}
+		if (startTile) {
+			// Start water animation on the start tile
+			startTile.flow = true;
+			startTile.startFlowTicks = 0;
+			// Start valve animation
+			if (startTile.valve) {
+				startTile.valve.rotationSpeed = 0.1;
+			}
+		}
+	};
 	return self;
 };
 /**** 
 * Game Variables
@@ -714,8 +812,16 @@
 	levelText.y = 200;
 	levelText.anchorX = 0.5;
 	// Add the level text to the game
 	game.addChild(levelText);
+	// Initialize grid board
+	gridBoard = LK.getAsset('gridBoard', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	gridBoard.x = 2048 / 2;
+	gridBoard.y = 2732 / 2;
+	game.addChild(gridBoard);
 	// Transition to menu state
 	changeGameState(GAME_STATE.MENU);
 }
 function initMenuState() {
@@ -727,8 +833,9 @@
 function handleMenuLoop() {
 	// Update any menu animations here
 }
 function cleanMenuState() {
+	levelText.visible = true;
 	levelText.text = "Level 1";
 }
 function initNewRoundState() {
 	// Reset puzzle manager for new round
@@ -880,12 +987,6 @@
 			waterDrops[i].update();
 		}
 	}
 }
-gridBoard = LK.getAsset('gridBoard', {
-	anchorX: 0.5
-});
-gridBoard.x = 2048 / 2;
-gridBoard.y = 2732 / 2;
-game.addChild(gridBoard);
 // Start the game
 initializeGame();
\ No newline at end of file