Solve logic puzzles by arranging rocks to fill board holes. Choose board sizes for varying difficulty. Play online against other players. Each puzzle has a unique solution. Track progress and compete globally.
Solve logic puzzles by filling grids with blue and yellow colors. Follow rules to balance colors in rows and columns. Use equal signs for matching colors and X for opposite colors.
Solve puzzles with a 9x9 grid and 3x3 sub grids. Enter numbers 1 through 9 in each cell. Complete puzzles using logic without guessing. Access unlimited puzzles. Track progress across multiple difficulty levels.