Takuzu by Magpie

Takuzu is the binary puzzle: fill the grid with black and white stones so that • every row and column has as many black as white, • no three of the same colour sit side by side, • no two rows are the same, and no two columns. Magpie gives you a new daily puzzle, the same board for everyone, and as many practice games as you like in three sizes: 6×6, 8×8 and 10×10. • No ads, ever. No purchases, no account. • Every puzzle has exactly one answer, and logic alone gets you there. No guessing. • Break a rule and Magpie tells you which one, in plain words. • Mistake checking is optional, off by default for the full challenge. • Undo, and a hint that places a stone you could have worked out. • Share your daily time without spoiling the grid. • Works offline. Nothing leaves your iPhone. Privacy policy: https://moecui22.github.io/magpie/privacy/