Tic-Tac-Toe
Quick rounds and clever corners.
Made for shared moments
Two players. One screen. One more round.
Six timeless games for the person sitting right next to you. Set the phone between you, choose your sides, and start playing in seconds.
Works offline
No accounts
Ready in seconds
Six ways to play
Old favorites, thoughtfully refreshed.
Tic-Tac-Toe, Connect Four and Take the Last are free. DUO Plus permanently unlocks Reversi, Gomoku and Memory Match with one purchase. No subscription.
Connect Four
Drop a piece. Build a line.
Reversi
Flip the board one move at a time.
Gomoku
Five in a row on an open board.
Take the Last
Simple rules with a sharp finish.
Memory Match
Find every pair together.
Play your way
Together on one device. Or practice anytime.
Every game supports face-to-face two-player play and a relaxed AI practice mode.
Two PlayersSit across in Table for Two, or take turns with Pass & Play. Both players get a say in the next round.
Practice AILearn the rhythm at your own pace.
A little more together
Start with three. Make room for more.
A complete free experience, with a one-time upgrade when you want more games.
Your first three
FREETic-Tac-Toe · Connect Four · Take the Last
- Table for Two, Pass & Play and AI practice
- Undo, rematches and local match history
DUO Plus
PLUSReversi · Gomoku · Memory Match
- One purchase. Permanent unlock.
- No subscription. No automatic renewal.
- Table for Two, Pass & Play and AI practice
DUO Plus is purchased inside the iPhone app. Your local price appears before purchase. Gameplay works offline; purchasing and restoring connect to Apple. No app account or ads, on either plan.
Private by design
The game stays between you two.
No analytics, advertising, or third-party SDKs.
Every game runs fully offline.
Preferences, optional nicknames, and recent matches stay on your device.
Available in five languages English简体中文繁體中文日本語한국어
Take your seats. Play another round.
DUO is coming to the App Store for iPhone.