A strategy board game for two

Remove one Place two

Remove a rival tile, place your own and build a line of four that survives their next move.

A free account for online play

Where would you put this 4?

Tap a square to complete the line of fours

1
Remove a rival tile
2
Place up to two of your own
Line up four equal or consecutive numbers, horizontally, vertically or diagonally.
3
Make your line survive
Your rival will remove one of your tiles. You win if a valid line still remains.

Blue opens the game by placing two tiles, without removing one.

Four equal numbers

Four consecutive numbers

See how to play in 90 seconds

Try a full game and learn at your own pace. No account needed.

Invite a friend to an online game.

Practise attacking and defending with untimed puzzles.

Create an account to save your progress, challenge friends and compete in the Elo league.