The app offers four logic games: Sudoku, Killer Sudoku, MathDoku, and X-Sudoku, with thousands of puzzles. It provides helpers and step-by-step hints to guide users through puzzles and teach solution strategies.
Solve puzzles by filling grid cells to match row and column totals with circle numbers. Choose difficulty levels from 4x4 to 9x9. Track solved puzzles and completion times. Complete puzzles daily for brain training.
Solve 3D number puzzles by filling a cube grid. Place numbers 1-9 in rows, columns, and 3x3 boxes without repetition. Each cube has a unique solution. Rotate the cube to view adjacent faces and verify edge values.
