Games
Each puzzle has a fresh board for today and as many extra boards as you like.
Binairo
Fill the grid with suns and moons. No three alike in a row, and every row and column balanced. 6×6, 8×8 and 10×10.
Sudoku
Classic 9×9 with notes and hints that name the technique. Easy, medium and hard.
Star Battle
One star in every row, column and region. Stars may not touch, even at a corner. Boards from 6×6 to 9×9.
More on the way
Killer Sudoku, KenKen and Hitori are next. They will appear here once each one plays well on a phone.