Play Reversi Online Free — ReversiAI

ReversiAI is a free online Reversi game where you can play against 7 levels of AI. No download, no login required.

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About Reversi

Reversi is a classic strategy board game played on an 8x8 grid. Two players take turns placing black and white discs on the board. When you place a disc, any of your opponent's discs that are trapped in a straight line between your new disc and another disc of your color are flipped to your color. The game ends when neither player can make a move, and the player with the most discs wins.

7 AI Difficulty Levels
  • Beginner — Random moves, perfect for learning the rules
  • Easy — Slightly smart, good for casual play
  • Normal — Focuses on corners and edges
  • Advanced — Reads the board and plans ahead
  • Hard — Deep strategic thinking with alpha-beta pruning
  • Expert — Advanced positional strategy
  • Master — Ultimate AI with deep search and endgame solving
Features
  • Play for free — no registration required
  • Works on mobile phones, tablets, and desktop computers
  • 9 languages supported: English, Japanese, French, Spanish, Portuguese, German, Korean, Traditional Chinese, Simplified Chinese
  • Track your win/loss/draw statistics
  • Choose to play as Black (first) or White (second)
  • Hint system to show valid moves
  • Smooth flip animations and winning confetti effects
How to Play
  1. Tap "Start AI Battle" to begin
  2. Select a difficulty level from Beginner to Master
  3. Choose your color: Black goes first, White goes second
  4. Tap a highlighted cell to place your disc
  5. Flip your opponent's discs by trapping them between yours
  6. The player with the most discs when the board is full wins
Frequently Asked Questions

What is Reversi?

Reversi is a classic strategy board game played on an 8x8 board with black and white discs. Players take turns placing discs to flip their opponent's pieces, and the player with the most discs at the end wins.

What is the best strategy for Reversi?

Key strategies include: controlling corners (they can never be flipped), minimizing your frontier discs (pieces adjacent to empty cells), maximizing mobility (keeping more move options available), and planning for the endgame. The Master AI in ReversiAI uses all of these strategies.

Is this game really free?

Yes, completely free with no hidden costs and no account required. Just open reversiai.com and start playing.

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