Trap your rival's discs between two of yours and the whole row flips to your colour. The board fills one disc at a time — whoever holds more of it when it's full wins the duel.
2–2 players · AI-hosted · plays in the browser, no app.
How to play
On your turn, place a disc so it traps a straight line of rival discs between two of yours — the trapped discs flip.
Every move must capture at least one disc; if you can't capture, you pass.
The game ends when the board is full or both players pass — most discs wins.
Frequently asked questions
How many players does Flipside support?
Flipside plays with 2 to 2 players. Everyone joins from their own phone or laptop browser with a 4-letter room code.
Do I need to download an app or own a console?
No — it runs entirely in the browser. The host starts a room on aipartygames.com, players open the link, and the AI hosts the game.