/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var DropZone = Container.expand(function (index) {
	var self = Container.call(this);
	self.index = index;
	self.occupiedTile = null;
	self.background = self.attachAsset('dropZone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isEmpty = function () {
		return self.occupiedTile === null;
	};
	self.placeTile = function (tile) {
		if (self.occupiedTile) {
			self.occupiedTile.isPlaced = false;
		}
		self.occupiedTile = tile;
		tile.isPlaced = true;
		tile.x = self.x;
		tile.y = self.y;
	};
	self.removeTile = function () {
		if (self.occupiedTile) {
			self.occupiedTile.isPlaced = false;
			self.occupiedTile = null;
		}
	};
	return self;
});
var LetterTile = Container.expand(function (letter, isCorrect) {
	var self = Container.call(this);
	self.letter = letter;
	self.isCorrect = isCorrect || false;
	self.isPlaced = false;
	self.originalX = 0;
	self.originalY = 0;
	self.isDragging = false;
	self.background = self.attachAsset('letterTile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.letterText = new Text2(letter, {
		size: 60,
		fill: 0x000000
	});
	self.letterText.anchor.set(0.5, 0.5);
	self.addChild(self.letterText);
	self.setCorrect = function () {
		self.removeChild(self.background);
		self.background = self.attachAsset('correctTile', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.addChildAt(self.background, 0);
		self.isCorrect = true;
	};
	self.setWrong = function () {
		self.removeChild(self.background);
		self.background = self.attachAsset('wrongTile', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.addChildAt(self.background, 0);
		tween(self.background, {
			tint: 0xffffff
		}, {
			duration: 1000
		});
	};
	self.resetTile = function () {
		self.removeChild(self.background);
		self.background = self.attachAsset('letterTile', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.addChildAt(self.background, 0);
		self.isCorrect = false;
		self.isPlaced = false;
	};
	self.down = function (x, y, obj) {
		if (!self.isCorrect) {
			self.isDragging = true;
			draggedTile = self;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xf5f5f5
});

/**** 
* Game Code
****/ 
var words = [{
	english: "CAT",
	hindi: "बिल्ली",
	letters: ["बि", "ल्ली"]
}, {
	english: "DOG",
	hindi: "कुत्ता",
	letters: ["कु", "त्ता"]
}, {
	english: "BOOK",
	hindi: "किताब",
	letters: ["कि", "ता", "ब"]
}, {
	english: "WATER",
	hindi: "पानी",
	letters: ["पा", "नी"]
}, {
	english: "HOUSE",
	hindi: "घर",
	letters: ["घ", "र"]
}, {
	english: "FLOWER",
	hindi: "फूल",
	letters: ["फू", "ल"]
}, {
	english: "TREE",
	hindi: "पेड़",
	letters: ["पे", "ड़"]
}, {
	english: "BIRD",
	hindi: "पक्षी",
	letters: ["प", "क्षी"]
}, {
	english: "FISH",
	hindi: "मछली",
	letters: ["म", "छ", "ली"]
}, {
	english: "STAR",
	hindi: "तारा",
	letters: ["ता", "रा"]
}];
var currentWordIndex = 0;
var currentWord = words[currentWordIndex];
var letterTiles = [];
var dropZones = [];
var draggedTile = null;
var gameCompleted = false;
var currentLevel = 1;
var wordsPerLevel = 3;
var totalLevels = Math.ceil(words.length / wordsPerLevel);
var wordsCompletedInLevel = 0;
var levelScore = 0;
// UI Elements
var englishWordText = new Text2('', {
	size: 80,
	fill: 0x333333
});
englishWordText.anchor.set(0.5, 0.5);
englishWordText.x = 1024;
englishWordText.y = 300;
game.addChild(englishWordText);
var hindiWordText = new Text2('', {
	size: 60,
	fill: 0x666666
});
hindiWordText.anchor.set(0.5, 0.5);
hindiWordText.x = 1024;
hindiWordText.y = 380;
game.addChild(hindiWordText);
var instructionText = new Text2('Drag the Hindi letters to form the word:', {
	size: 40,
	fill: 0x888888
});
instructionText.anchor.set(0.5, 0.5);
instructionText.x = 1024;
instructionText.y = 500;
game.addChild(instructionText);
// Score display
var scoreText = new Text2('Score: 0', {
	size: 50,
	fill: 0x333333
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Level display
var levelText = new Text2('Level: 1', {
	size: 50,
	fill: 0x333333
});
levelText.anchor.set(0.5, 0);
levelText.x = 300;
LK.gui.top.addChild(levelText);
function shuffleArray(array) {
	var shuffled = array.slice();
	for (var i = shuffled.length - 1; i > 0; i--) {
		var j = Math.floor(Math.random() * (i + 1));
		var temp = shuffled[i];
		shuffled[i] = shuffled[j];
		shuffled[j] = temp;
	}
	return shuffled;
}
function createLetterTiles() {
	// Clear existing tiles
	for (var i = 0; i < letterTiles.length; i++) {
		letterTiles[i].destroy();
	}
	letterTiles = [];
	var shuffledLetters = shuffleArray(currentWord.letters);
	var startX = 1024 - (shuffledLetters.length - 1) * 140 / 2;
	for (var i = 0; i < shuffledLetters.length; i++) {
		var tile = new LetterTile(shuffledLetters[i]);
		tile.x = startX + i * 140;
		tile.y = 2000;
		tile.originalX = tile.x;
		tile.originalY = tile.y;
		letterTiles.push(tile);
		game.addChild(tile);
	}
}
function createDropZones() {
	// Clear existing zones
	for (var i = 0; i < dropZones.length; i++) {
		dropZones[i].destroy();
	}
	dropZones = [];
	var startX = 1024 - (currentWord.letters.length - 1) * 140 / 2;
	for (var i = 0; i < currentWord.letters.length; i++) {
		var zone = new DropZone(i);
		zone.x = startX + i * 140;
		zone.y = 1200;
		dropZones.push(zone);
		game.addChild(zone);
	}
}
function checkWord() {
	var formedWord = "";
	var allPlaced = true;
	for (var i = 0; i < dropZones.length; i++) {
		if (dropZones[i].occupiedTile) {
			formedWord += dropZones[i].occupiedTile.letter;
		} else {
			allPlaced = false;
			break;
		}
	}
	if (allPlaced) {
		if (formedWord === currentWord.hindi) {
			// Correct word
			LK.getSound('correct').play();
			var pointsAwarded = 10 * currentLevel; // More points for higher levels
			LK.setScore(LK.getScore() + pointsAwarded);
			scoreText.setText('Score: ' + LK.getScore());
			// Mark tiles as correct
			for (var i = 0; i < dropZones.length; i++) {
				if (dropZones[i].occupiedTile) {
					dropZones[i].occupiedTile.setCorrect();
				}
			}
			// Show correct Hindi word
			hindiWordText.setText('✓ ' + currentWord.hindi);
			hindiWordText.tint = 0x00aa00;
			// Move to next word after delay - less time for higher levels
			var delayTime = Math.max(1000, 2500 - currentLevel * 200);
			LK.setTimeout(function () {
				nextWord();
			}, delayTime);
		} else {
			// Wrong word
			LK.getSound('wrong').play();
			// Show wrong feedback
			for (var i = 0; i < dropZones.length; i++) {
				if (dropZones[i].occupiedTile) {
					dropZones[i].occupiedTile.setWrong();
				}
			}
			// Reset after delay
			LK.setTimeout(function () {
				resetCurrentWord();
			}, 1500);
		}
	}
}
function nextLevel() {
	currentLevel++;
	wordsCompletedInLevel = 0;
	levelScore = 0;
	// Update level display
	levelText.setText('Level: ' + currentLevel);
	// Show level complete message
	var levelCompleteText = new Text2('Level ' + (currentLevel - 1) + ' Complete!', {
		size: 60,
		fill: 0x00aa00
	});
	levelCompleteText.anchor.set(0.5, 0.5);
	levelCompleteText.x = 1024;
	levelCompleteText.y = 800;
	game.addChild(levelCompleteText);
	// Flash effect and remove after 2 seconds
	LK.effects.flashObject(levelCompleteText, 0x00aa00, 2000);
	LK.setTimeout(function () {
		levelCompleteText.destroy();
	}, 2000);
}
function nextWord() {
	currentWordIndex++;
	wordsCompletedInLevel++;
	levelScore += 10;
	// Check if level is complete
	if (wordsCompletedInLevel >= wordsPerLevel) {
		// Level completed
		if (currentLevel >= totalLevels) {
			// Game completed - all levels finished
			gameCompleted = true;
			LK.getSound('complete').play();
			LK.showYouWin();
			return;
		} else {
			// Move to next level
			nextLevel();
		}
	}
	if (currentWordIndex >= words.length) {
		// All words completed
		gameCompleted = true;
		LK.getSound('complete').play();
		LK.showYouWin();
		return;
	}
	currentWord = words[currentWordIndex];
	setupWord();
}
function resetCurrentWord() {
	for (var i = 0; i < letterTiles.length; i++) {
		letterTiles[i].resetTile();
		letterTiles[i].x = letterTiles[i].originalX;
		letterTiles[i].y = letterTiles[i].originalY;
	}
	for (var i = 0; i < dropZones.length; i++) {
		dropZones[i].removeTile();
	}
	hindiWordText.setText('');
	hindiWordText.tint = 0x666666;
}
function setupWord() {
	englishWordText.setText(currentWord.english);
	hindiWordText.setText('');
	hindiWordText.tint = 0x666666;
	createLetterTiles();
	createDropZones();
}
function findNearestDropZone(x, y) {
	var nearest = null;
	var minDistance = Infinity;
	for (var i = 0; i < dropZones.length; i++) {
		var dx = x - dropZones[i].x;
		var dy = y - dropZones[i].y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < minDistance && distance < 100) {
			minDistance = distance;
			nearest = dropZones[i];
		}
	}
	return nearest;
}
// Initialize first word
setupWord();
// Game controls
game.move = function (x, y, obj) {
	if (draggedTile && draggedTile.isDragging) {
		draggedTile.x = x;
		draggedTile.y = y;
	}
};
game.up = function (x, y, obj) {
	if (draggedTile && draggedTile.isDragging) {
		draggedTile.isDragging = false;
		var nearestZone = findNearestDropZone(x, y);
		if (nearestZone) {
			// Remove tile from previous zone if it was placed
			for (var i = 0; i < dropZones.length; i++) {
				if (dropZones[i].occupiedTile === draggedTile) {
					dropZones[i].removeTile();
					break;
				}
			}
			// Place tile in new zone
			nearestZone.placeTile(draggedTile);
			// Check if word is complete
			LK.setTimeout(function () {
				checkWord();
			}, 100);
		} else {
			// Return to original position
			if (draggedTile.isPlaced) {
				// Find and remove from current zone
				for (var i = 0; i < dropZones.length; i++) {
					if (dropZones[i].occupiedTile === draggedTile) {
						dropZones[i].removeTile();
						break;
					}
				}
			}
			tween(draggedTile, {
				x: draggedTile.originalX,
				y: draggedTile.originalY
			}, {
				duration: 300,
				easing: tween.easeOut
			});
		}
		draggedTile = null;
	}
};
game.update = function () {
	// Update score display
	scoreText.setText('Score: ' + LK.getScore());
	// Update level display
	levelText.setText('Level: ' + currentLevel + ' (' + wordsCompletedInLevel + '/' + wordsPerLevel + ')');
};

===================================================================
--- original.js
+++ change.js
@@ -150,8 +150,13 @@
 var letterTiles = [];
 var dropZones = [];
 var draggedTile = null;
 var gameCompleted = false;
+var currentLevel = 1;
+var wordsPerLevel = 3;
+var totalLevels = Math.ceil(words.length / wordsPerLevel);
+var wordsCompletedInLevel = 0;
+var levelScore = 0;
 // UI Elements
 var englishWordText = new Text2('', {
 	size: 80,
 	fill: 0x333333
@@ -182,8 +187,16 @@
 	fill: 0x333333
 });
 scoreText.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreText);
+// Level display
+var levelText = new Text2('Level: 1', {
+	size: 50,
+	fill: 0x333333
+});
+levelText.anchor.set(0.5, 0);
+levelText.x = 300;
+LK.gui.top.addChild(levelText);
 function shuffleArray(array) {
 	var shuffled = array.slice();
 	for (var i = shuffled.length - 1; i > 0; i--) {
 		var j = Math.floor(Math.random() * (i + 1));
@@ -240,9 +253,10 @@
 	if (allPlaced) {
 		if (formedWord === currentWord.hindi) {
 			// Correct word
 			LK.getSound('correct').play();
-			LK.setScore(LK.getScore() + 10);
+			var pointsAwarded = 10 * currentLevel; // More points for higher levels
+			LK.setScore(LK.getScore() + pointsAwarded);
 			scoreText.setText('Score: ' + LK.getScore());
 			// Mark tiles as correct
 			for (var i = 0; i < dropZones.length; i++) {
 				if (dropZones[i].occupiedTile) {
@@ -251,12 +265,13 @@
 			}
 			// Show correct Hindi word
 			hindiWordText.setText('✓ ' + currentWord.hindi);
 			hindiWordText.tint = 0x00aa00;
-			// Move to next word after delay
+			// Move to next word after delay - less time for higher levels
+			var delayTime = Math.max(1000, 2500 - currentLevel * 200);
 			LK.setTimeout(function () {
 				nextWord();
-			}, 2000);
+			}, delayTime);
 		} else {
 			// Wrong word
 			LK.getSound('wrong').play();
 			// Show wrong feedback
@@ -271,19 +286,52 @@
 			}, 1500);
 		}
 	}
 }
+function nextLevel() {
+	currentLevel++;
+	wordsCompletedInLevel = 0;
+	levelScore = 0;
+	// Update level display
+	levelText.setText('Level: ' + currentLevel);
+	// Show level complete message
+	var levelCompleteText = new Text2('Level ' + (currentLevel - 1) + ' Complete!', {
+		size: 60,
+		fill: 0x00aa00
+	});
+	levelCompleteText.anchor.set(0.5, 0.5);
+	levelCompleteText.x = 1024;
+	levelCompleteText.y = 800;
+	game.addChild(levelCompleteText);
+	// Flash effect and remove after 2 seconds
+	LK.effects.flashObject(levelCompleteText, 0x00aa00, 2000);
+	LK.setTimeout(function () {
+		levelCompleteText.destroy();
+	}, 2000);
+}
 function nextWord() {
 	currentWordIndex++;
-	if (currentWordIndex >= words.length) {
-		// Game completed
-		gameCompleted = true;
-		LK.getSound('complete').play();
-		if (LK.getScore() >= 80) {
+	wordsCompletedInLevel++;
+	levelScore += 10;
+	// Check if level is complete
+	if (wordsCompletedInLevel >= wordsPerLevel) {
+		// Level completed
+		if (currentLevel >= totalLevels) {
+			// Game completed - all levels finished
+			gameCompleted = true;
+			LK.getSound('complete').play();
 			LK.showYouWin();
+			return;
 		} else {
-			LK.showGameOver();
+			// Move to next level
+			nextLevel();
 		}
+	}
+	if (currentWordIndex >= words.length) {
+		// All words completed
+		gameCompleted = true;
+		LK.getSound('complete').play();
+		LK.showYouWin();
 		return;
 	}
 	currentWord = words[currentWordIndex];
 	setupWord();
@@ -372,5 +420,7 @@
 };
 game.update = function () {
 	// Update score display
 	scoreText.setText('Score: ' + LK.getScore());
+	// Update level display
+	levelText.setText('Level: ' + currentLevel + ' (' + wordsCompletedInLevel + '/' + wordsPerLevel + ')');
 };
\ No newline at end of file