Description

A premium, fully-featured Tic Tac Toe game built entirely with vanilla HTML, CSS, and JavaScript. Zero dependencies. Zero build tools. Open and play instantly in any modern browser.

Game Modes
2 Players (Local Versus) — Two human players share one device. Player X always goes first. Series score persists across rounds.
vs AI (Machine Opponent) — Single player vs a Minimax AI with Alpha-Beta pruning. Human is always Player X.
Series Lengths:

Best of 5 — First to 3 wins
Best of 7 — First to 4 wins
Best of 9 — First to 5 wins
Marathon — First to 10 wins