Play Four, Not Three online

Think beyond the third stone. Two-player play on a base-5 hexagon.

Independent code and original geometric artwork.

Free to play · No sign-up

No partner needed. A built-in practice opponent, free to play.

Play Four, Not Three online

Think beyond the third stone. Two-player play on a base-5 hexagon. AI practice · 2 players.

Rules and how to play

Two-player play on a base-5 hexagon. Four or more in a straight line wins; making a line of exactly three without also making four loses immediately. No side exchange. A full board with no result draws.

Two-player board games online · Solo board games and puzzles online ·

Make a little room

One click. Your own private table.

Bring your favorite rival

Send the link. They pull up a chair.

Think, then make your move

Preview a target, then tap it again to confirm.