Othello (Reversi) vs the computer
Play on the classic 8×8 board. Legal moves can be shown, with hints and undo for beginners. The top level solves the endgame perfectly.
How to play
- Black and White alternate placing discs.
- Outflank enemy discs between your discs to flip them.
- You may only play where you flip something; if you can't, you pass.
- When neither side can move, the game ends. More discs wins.
- Corners can never be flipped, so they are valuable.
- Free, no sign-up
- 7 levels from beginner to very strong
- Hints and undo
- Mobile friendly; works offline after the first visit