The app presents a logic puzzle with simple rules on a rectangular board divided into rooms. Each room requires filling with numbers from 1 up to the room's cell count, adhering to separation rules for identical numbers in rows or columns.
Play by filling 9x9 grids with numbers 1-9. Ensure no duplicates in rows, columns, or 3x3 boxes. Access 5000+ daily. Track progress and solve to improve logic and memory.
The app presents a number-based crossword puzzle where answers must sum to given clues. Numbers one through nine can be used, without repetition within a row or column.
