Pick a puzzle, learn its rules.
Every game works offline, has a daily board and shows no ads. All run on iPhone and iPad. Six also run on Android.
iPhone · iPad · Android
Six-colour sudoku on a 6×6 grid.
iPhone · iPad · Android
Nine-colour sudoku on the full 9×9 grid.
iPhone · iPad · Android
Light every cell, and never let two bulbs see each other.
iPhone · iPad · Android
Every cell takes a diagonal; the numbers say how many meet.
iPhone · iPad · Android
Join the numbered islands with bridges into one network.
iPhone · iPad · Android
One tent per tree, never touching another.
iPhone · iPad
Zeros and ones, never three in a row.
iPhone · iPad
Draw one closed loop that satisfies every clue.
iPhone · iPad
Place skyscrapers so each row sees the right number of them.