Tap or click an empty slot to drop a planet in. Get three of your planets in a row—whether it's vertical, horizontal, or diagonal—and you snag the win!
How to play Tic Tac Toe Planets?
Use mouse or touch to play this game
Can I play Tic Tac Toe Planets on mobile devices and desktop?
Tic Tac Toe Planets can be played on your computer and mobile devices like phones and tablets.