XO Strategy Duel

Strategy · Puzzle & Thinky on ArcadeOwl

How to play

Tap any empty square to place your X.

The AI replies with a perfect O move.

Line up three in a row to win.

Block the AI and look for a double threat (a fork).

Why you'll love it

✦ Unbeatable minimax AI opponent

✦ Win-streak tracking

✦ Instant, snappy responses

Play now — free

No download. No sign-up. Just play in your browser.