Game Guide

How Infinity Tic-Tac-Toe Works: Rules & Winning Tips

Forget everything you know about draws. Here is how to master the 3-piece mechanic and crush your opponents.

Classic Tic-Tac-Toe has a major flaw: if both players know what they are doing, the game always ends in a draw. It’s a solved game.

Infinity Tic-Tac-Toe (sometimes called "Eat Tac Toe" or "3-Piece Tic-Tac-Toe") fixes this by adding one simple but revolutionary rule: The 3-Piece Limit.

The Golden Rule

Each player can only have 3 marks on the board at once. When you place your 4th mark, your 1st (oldest) mark disappears.

How to Play: Step-by-Step

3 Pro Strategies to Win

1. The "Center Trap"

In standard Tic-Tac-Toe, the center is king. In Infinity mode, the center is dangerous. If you take the center early (as your 1st move), remember that it will be the first piece to vanish when you make your 4th move. A smart opponent will wait for your center piece to disappear and then strike.

2. Predict the Vanish

Don't just look at the empty squares. Look at the oldest pieces (often highlighted or dimmed in our Neon version). Ask yourself: "If I move here, my defense on the left side disappears. Will that let my opponent win?"

3. Force the Error

The best way to win is to force your opponent to defend a spot that won't matter. Make a threat that forces them to block you, but in doing so, they delete their own key defensive piece elsewhere.

Why Play This Version?

Infinity Tic-Tac-Toe transforms a boring kids' game into a deep memory and logic puzzle. You aren't just playing spatial patterns; you're playing against time and memory.

Ready to Test Your Brain?

PLAY INFINITY TIC-TAC-TOE NOW