⚫ 2
2 ⬜
Your turn — tap a green dot to place
🎮 Cliko Games
📖 How to Play

🎯 Objective

Have the most discs of your colour when the board is full — or when neither player can move. You play Black ⚫, the AI plays White ⬜. Black goes first.

🕹 How to Play

  • Tap a green dot to place your disc there
  • A move is only valid if it traps at least one opponent disc between your new disc and another of yours — in a straight line (horizontal, vertical, or diagonal)
  • All trapped opponent discs flip to your colour
  • If you have no legal moves, your turn is skipped
  • If neither player can move, the game ends immediately

🏆 Winning

Count up all discs when the board fills up (or no moves remain). The player with more discs wins. In Ultimate Reversi, positions can swing dramatically — you can go from 4 to 40 discs in just a few moves!

💡 Strategy Tips

  • Corners are king — a disc in a corner can never be flipped. Race for them
  • Avoid the X-squares — the 4 diagonal squares adjacent to corners give your opponent a path to the corner
  • Fewer discs early is good — fewer discs means fewer moves for your opponent to outmanoeuvre you
  • Mobility matters — limiting your opponent's move count is often more valuable than flipping more discs

🎚 Difficulty

Controls how deep the AI searches and how well it weights positions:

BeginnerEasyMedium HardVery HardScientistCyborg ☠

⭐ Daily Challenge

Every day a seeded AI strategy is generated — same for all players worldwide. Beat it to lock in your daily!

Game Over
⚫
You win!
Final disc count:
0
Your discs
0
AI discs
0
Best wins
🔗 Challenge Friends

Beat my Ultimate Reversi score!

clikogames.com/ultimate-reversi.html

📖 How to Play Ultimate Reversi

Ultimate Reversi is the definitive digital version of Reversi (Othello), the classic two-player strategy game where you and an AI opponent take turns placing discs on an 8×8 board. When you place a disc, all opponent discs in a straight line between your new disc and another of yours are flipped to your colour. The player with the most discs of their colour when the board is full wins.

The strategy in Reversi is famously counterintuitive. Capturing as many discs as possible early in the game is a losing strategy — large early leads shrink rapidly as the opponent gains positional advantages. The corners and edges of the board are the strategic prizes: corner pieces can never be flipped, and edge pieces adjacent to corners become powerful anchors. Expert play sacrifices disc count in the mid-game to secure these positional advantages.

Cliko

From Beginner to Cyborg ☠ — seven difficulty levels grow with you. Change difficulty any time using the dropdown at the top of the page.

🎮 About Ultimate Reversi

Play Ultimate Reversi free online — no download required, no sign-up needed. Ultimate Reversi is a browser-based Strategy game you can play on any device, any time. Challenge yourself with 7 difficulty levels, compete on the daily leaderboard, and share your score to challenge friends directly.

The daily challenge resets every midnight — build your streak and beat your personal best. Every game is fully playable on desktop and mobile without any installs.

💡 Tips & Strategies

🧠
Think Ahead
Corners are permanent — always try to place in a corner when available.
⚡
Start Simple
Avoid placing adjacent to corners unless you control those corners already — you give the opponent the corner.
🎯
Daily First
The player with fewer discs in the mid-game is often winning positionally.
🔄
Use Restart
Stable discs (those that can never be flipped) are worth more than any quantity advantage.
📈
Track Your Best
Limit your opponent\

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