Xtreme Tic Tac Toe | HTML5 Game With Ai & PvP

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

AI Difficulty

• Easy.
• Medium
• Unbeatable

Themes

8 premium built-in themes with instant CSS variable switching and zero flash:

1. Obsidian — Cyan & Magenta on deep black
2. Crimson — Red & Orange, blood arena
3. Arctic — Ice Blue & Teal, frozen north
4. Amber — Gold & Orange, desert heat
5. Violet — Purple & Pink, mystic night
6. Neon — Electric Teal & Hot Pink, arcade
7. Sakura — Pink & Gold, cherry blossom
8. Marble — Brown & Red, warm parchment