Calculation Reversi
Solve equations to place pieces in real-time Reversi.
AkaoGame number 8 is “Calculation Reversi”!
OnagaHow is Calculation Reversi different from ordinary Reversi?
AkaoChoose a legal square, solve the equation that appears, and place your piece. The entire match runs in real time.
OnagaWill the opponent wait until I finish thinking?
AkaoThe CPU will not wait. Solve quickly and you may place several pieces before its next move.
OnagaWhat if the square I chose is taken while I am calculating?
AkaoYou can keep solving as long as the square remains legal after the opponent moves. There are three CPU levels, three calculation levels, and a two-player mode on mobile.
Hear it again
Plays on its own (tap to fast-forward)
- Solve to placeReal-time Reversi: every correct answer places a piece
- Speed is powerSolve fast to place more pieces before the CPU moves
- Two-player modeThree CPU and math levels, plus 2-player mode on mobile
How to Play
The player with more pieces wins when all 64 squares are filled or neither player has a legal move.


