vs Bot
The bot on 3x3 uses minimax and never loses with correct opponent play.
Tic-Tac-Toe
Classic tic-tac-toe with three board sizes: 3x3, 4x4 and 5x5. Play against the bot or take turns with a friend on the same screen.
The bot on a 3x3 board uses the minimax algorithm and never loses. On 4x4 and 5x5 boards the bot plays heuristically.
About
A simple classic game for one or two players.
2 Players
Two-player mode on a single device: pass it between you and take turns.
Three sizes
3x3 is the classic. 4x4 and 5x5 are harder: you must fill an entire row to win.