Solve placement with 2 rules: each row, column, and region has exactly 2 stars; no stars can touch, including diagonally. Track progress and access from KrazyDad, featured in the New York Times.
Play games by moving marbles to create lines of three or more matching ones. Clear the board by removing all marbles. Access a free set of puzzles and new free puzzles.
Solve -themed puzzles with three types: Knight , King , and Queen . Fill grids with numbers following rules and piece movement constraints. Track progress and access 15 new puzzles.
Solve pentomino puzzles by arranging pieces to form shapes. Choose from nearly 50 free puzzles. Avoid overlapping pieces to complete each challenge. The recognizes solved puzzles automatically.
