Solve logic puzzles by placing blue or red dots on a grid. Follow rules: blue dots see others in their row and column, numbers indicate counts, red dots block vision. Complete grids without guessing.
The app offers Sudoku puzzles in two styles: Classic Sudoku with numbers and Colored Sudoku with nine different colors. It includes thousands of puzzles across seven difficulty levels, all available for free without in-app purchases.
The app is a logic puzzle game using Japanese coins. It features over 700 stages across 24 puzzle packs, with a Time Trial mode and frequent additions of new stages.
