Games
Five quiet newspaper-style logic puzzles.
Sudoku
Hard, uniquely solvable 9×9 puzzles with automatic local progress saving.
Futoshiki
Medium–hard 6×6 inequality puzzles with automatic local progress saving.
Magnets
Place positive, negative, and neutral dominoes without letting matching poles touch.
Tents
Pitch one tent beside each tree while keeping every tent apart.
Dominosa
Find every domino from 0–0 through 6–6 hidden inside a number grid.
Reasoning Games
Short math, probability, and pattern questions with explanations after you answer.