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    Strategy · Board game

    Ultra Tic Tac Toe

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    Click the game once so it hears your keys. Mouse or tap.

    About the game

    Tic tac toe reimagined: boards from 3×3 to 15×15, up to 3 players, 5 powerups and an AI with 4 levels.

    How to play

    • On a laptop: Mouse or tap. Click the game once first so it hears your keys.
    • On a phone: tap Play on this phone and hold the phone upright. The game has its own touch controls.
    • Opponent: you play against the computer.
    • Cost: free, with no download or sign-up.

    The product decision behind it

    Keep the rules everyone knows, then add one new idea at a time: bigger boards, a third player, powerups.

    Every game in the studio starts the same way: decide who it's for, what the player does and what makes it fun. Then describe it to an AI, play it, and fix what the AI got wrong.

    More from the studio

    All 13 games