Solve puzzles by converting zeros to ones on a grid. Match target decimal numbers at the end of rows and columns. Track progress and improve logic and problem-solving skills.
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 logic puzzles by filling grids based on numerical clues. Reveal hidden images by marking cells as filled or empty. Adjust difficulty settings and track progress across multiple puzzles. Share completed puzzles with others.
