Reversi
Flip your opponent's discs to your colour and finish with the majority.
Your turn
Black 2 · White 2
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About Reversi
A browser version of Reversi, also widely known as Othello, played on the standard 8x8 board. Place a disc so it traps a line of your opponent's discs between your new disc and another of your own, and every disc in that line flips to your colour.
Play against the built-in computer opponent, which pays attention to corners and edges. The game ends when neither side has a legal move, and whoever holds more discs wins.
How to play
- Click or tap a highlighted square to place a disc there.
- A legal move must trap at least one line of your opponent's discs between your new disc and an existing one of your colour.
- Every trapped disc flips to your colour immediately.
- If you have no legal move, your turn is skipped automatically.
- When neither side can move, the player with the most discs on the board wins.
Controls
- Click or tap a highlighted square — place a disc
- Tab and Enter — keyboard play
Frequently asked questions
What happens if I have no legal move?
Your turn is skipped automatically and play passes back to the other side, as in standard Othello rules.
Why does the computer favour the corners?
A disc in a corner can never be flipped again, so the computer opponent weighs corners and edges more heavily than the centre.
