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.
Helps practice trigonometric functions of special angles through a game. Players answer questions to fill rows, columns, or diagonals. Immediate feedback is provided after each answer. Hints are available for each play.
Play on a 9×9 grid with three colored balls. Move one ball per turn along connected empty cells. Remove balls by creating of five or more same-colored balls in rows, columns, or diagonals.
