Easy Reversi puts you against a computer that looks only one move ahead and picks among its good-looking moves with a little randomness. It is the right place to learn the rules and the value of corners. No app, no sign-up and no interstitial before play; it works offline and plays from the keyboard.
Reversi board is loading.
You: dark Computer: light Legal moveYour turn.
The Easy computer judges each move only by the position right after it. It likes corners and mobility, but it cannot see your reply, so it sometimes opens a corner for you. It chooses at random among moves within a few points of its best, so games vary.
Easy will sometimes play on b2, g2, b7 or g7, the squares diagonally next to a corner. When it does, check whether you can now take that corner. Holding even one corner usually decides a game at this level.
Resist the move that flips the most discs. Quiet moves that flip one or two discs keep your options open and leave the computer fewer good squares.
The hint looks three moves ahead, much further than Easy. Following it consistently beats Easy by a wide margin. Try your own move first, then compare with the hint and ask why they differ.
Move up to the main Reversi page, which plays at Medium (three moves ahead) and punishes a careless corner. Then try Hard, which looks five moves ahead. Your stats for each strength are kept separately, so you can see your progress.
Easy keeps its own count of games played and won in your browser; a draw counts as played but not won. There is no timer. Undo takes back your move and the computer’s reply, without limit. The first two hints in each game are free; when ads are switched on later, further hints offer a short ad or a 30-second wait.
The board fits any phone, and every square is a labelled button you can reach with the arrow keys. Tidy Puzzles runs entirely in your browser: there is no app to install, no account to create and no interstitial before you can play. After the first visit the game also works offline, because each puzzle is generated on your device from a seed. Every board can be played with the keyboard alone, on a phone or a desktop, and your stats and unfinished puzzles stay in this browser rather than on a server.
It looks one move ahead and picks with some randomness among moves within 12 evaluation points of its best, so it misses most traps.
Yes. Change "Play as" to light in settings; it applies to the next game, and the computer opens.
The game ends with equal disc counts, shows "Draw" and counts as played but not won.
Only among near-equal moves, and the randomness comes from the puzzle code, so replaying a code with the same moves gives the same game.
The main Reversi page plays at Medium, three moves ahead, and Hard looks five ahead.
Last updated 2026-09-27. Written and maintained by the Tidy Puzzles team; puzzles are generated on your device. How it works.