It’s a simple yet challenging free block puzzle you won’t be able to put down. Merge cube blocks on the 9x9 grid, which should be familiar to all sudoku fans, to build lines and squares. Strategically stack sudoku blocks made up of cubes on the board to destroy them and keep the board clean. Block puzzle game features: - 9x9 block puzzle board. - Blocks of various shapes. Match blocks to remove them by completing lines and cubes. Keep the board clean and beat your high score in this block puzzle!