Swipe using your touchscreen mobile device and use the keyboard arrow keys on your PC/Laptop. Tiles with the same number merge into one when they touch. Add them up until you reach 2048!
To reset the game's progress, you may click "New Game" or the "r" button on your keyboard then click "Yes" when prompted if you want to start a new game.
To undo a move, you may click "Undo Move" or the "u" button on your keyboard.