How to play: Use your arrow keys to move the tiles. When two
tiles with the same number touch, they merge into one!
Tip: You can also use the Strategy Bar above to auto-play. Presets include UD,
LR, UDLR, LRUD, CW, and CCW.
Choose Custom to input sequences like U2,D2,L2,R2, adjust speed, then
Start or Stop anytime.