Use the Arrow Keys or WASD to move the emojis. Each puzzle has a different goal: some emojis need to be layered on top of gray emojis, or certain emojis have to be pushed together. It's up to you to figure out the meaning of each emoji! 

To undo your last move, press Z or click the button with three black arrows. To restart the level, press R or click the button in the bottom left corner. If you're stuck, click the lightbulb button to watch how to complete the puzzle!