Nine Blocks: Block Puzzle Home Nine Blocks: Block Puzzle 0.0 / 5 ( 0 votes ) Your Rating? Discover Nine Blocks: Block Puzzle – Play Free Now on GameHard! 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. Categories in which Nine Blocks: Block Puzzle is included: Soccer Sports Ball