Board game
Unofficial / not affiliated: Playfulo Othello is a casual recreation with no official license from the trademark owners.
8×8 · standard rules · sandwich flips · unofficial
Playfulo Othello uses standard 8×8 reversi-style rules. Sandwich opponent discs to flip them. Whoever has more discs at the end wins.
Play against AI, or create a room and share the invite link for a 2 player Othello game online with a friend — no sign-up. AI comes in easy, normal, and hard. Empty squares do not count as points.
Othello may be a trademark of its respective owners. Playfulo is an unofficial casual recreation — not affiliated with, endorsed by, or officially licensed by those owners.
The game starts with four center discs. Black moves first. Flank opponent discs in a straight line to flip them.
Easy and Normal add flipped discs to square values (corner 120, the X-square diagonal to a corner −40). Easy's window is wide enough to leave a corner sometimes. Hard reads 2 plies while many squares are empty, 3 at 16 or fewer, and 5 at 10 or fewer, so it can prefer a large disc swing over a corner. The diagram below is one measured example.
The board is almost empty. White at the a1 corner flips one black disc. White at a5 flips five black discs on that rank. Flipping more is not automatically a trap. Each difficulty played this position 30 times.
Start
a1 brackets one black disc against the white disc beside it. a5 is the left end of five black discs, so it flips all five. Both squares are legal. Ranks are numbered from the top, as on an Othello board.
Line 1 / 4
The left board is Normal, which trusts the square values. The right board is Hard, which scores the whole position. Both moves are legal, and neither was a blunder here.
Normal 30/30
Corners are worth 120 on the value table. The X-square diagonal to a corner is −40. Normal adds flipped discs to that value and takes the corner.
Hard 30/30
If more than 16 squares are empty Hard reads 2 plies, 3 plies at 16 or fewer, and 5 plies at 10 or fewer. This opening is a 2-ply search, and the larger disc swing won.
The same discs, 30 calls per difficulty. Only Easy mixed the two moves.
11 Oct 2026: Playfulo's Othello AI, 30 calls per difficulty on this position. Easy's random window means the '3 trials' count can change. Square weights and search depth are the engine's values.
Yes. Choose the friend match in the Othello menu, create a room, and send the invite link. When your friend opens it and taps Join, the 2 player game starts right away — on different devices or browsers, with no download or sign-up. After the game you can replay it move by move together.
Start with four center discs; Black moves first. Flip discs you sandwich horizontally, vertically, or diagonally. Pass if you cannot move. Most discs on the board wins; empty squares do not count.
They are the same family. Playfulo follows standard 8×8 othello-style rules (center four, Black first, sandwich flips). Playfulo is not affiliated with or licensed by the trademark owners.
Yes. When the game ends, tap 'Replay game' in the result card to review the whole Othello game from the opening. Each step animates the discs that flipped, with autoplay, a move slider, and first/last jumps. Replay works in both AI and friend games.
The move that flips the most discs is not always the best move. A corner, once taken, cannot be flipped back, so avoid a big flip that gives the opponent a corner next. Play the edges only while you can still protect the corners. A move that leaves the opponent with no legal square is worth more than a higher disc count.