Tic tac toe,
but make it XO Duel.

A neon-glass take on the classic. Challenge friends online or nearby, play on one phone, or face an AI that never loses. Try Infinite mode, where your oldest mark vanishes and there are no draws.

Coming soon to the App Store
XO Duel home screen with glowing X and O and a Play button

Four ways to play

Online

Invite friends or match with anyone through Game Center.

Nearby

Play the person next to you over Wi-Fi or Bluetooth. No internet needed.

Pass & Play

Two players, one phone. The classic way.

vs AI

Easy, Medium, or Impossible. Impossible means it.

Infinite mode, the oldest X fading out A winning line with confetti