Space Tic-Tac-Toe

It's quiet in space. Just the glow of the screen and a computer ready for a match. In Space Tic-Tac-Toe, classic tic-tac-toe becomes a space board game against a smart AI. On a large square grid, you'll try to beat the computer before it beats you.

How to play?

The board has ten rows and ten columns. You play as X, and the computer uses O. Line up five of your marks in a row horizontally, vertically, or diagonally to win. After each move, a black hole appears in one cell and blocks it until the next move. You can't place a mark in an occupied cell or on a black hole. Watch the temporary obstacles. If the board fills up with no winner, it's a draw.

Get ready to play now the online game Space Tic-Tac-Toe for free and without registration.
Category: Tic Tac Toe Games
5 1 1 1 1 1 (2 Votes)
Controls:

About this game:

  • Players have rated this game 5.00 out of 5, based on 2 votes.
  • Released in April 2026.
  • Ready to play on Web Browser (PC) and Android/iOS (Mobile).
  • Age rating: 6+
  • Powered by HTML5 — jump right in and start playing in your browser, no downloads needed.

Game features:

  • Line up five marks on a 10x10 grid to win
  • Face off against AI that answers every move
  • Play around black holes that block cells for one turn

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