Connect Four

Drop your discs and be the first to line up four in a row — across, down or diagonally. Play against the computer. No sign-up.

How to control it: Click (or tap) the column where you want to drop your disc.

How to play Connect Four

Common questions

How do I drop a disc?

Click or tap the column you want — your disc drops to the lowest empty slot in that column.

Is there a computer opponent?

Yes, the game plays against you using a Minimax strategy, so it offers a real but fair challenge.

About this version

This is a self-hosted, open-source version of Connect Four (source), used under its MIT licence and hosted here so it loads fast and shows no third-party adverts inside the game. Browse all of our free games.