slide the tiles. combine matching numbers. reach 2048.
←/→/↑/↓ slide tiles
wasd also works
r restart
swipe up / down / left / right
equal numbers merge into one
fill the board and you're stuck
←/→/↑/↓ or wasd slide tiles
two equal tiles merge and double.
make a 2048 tile to win.
swipe to slide all tiles.