Gemoku: Block Puzzle Sudoku is a free Android game developed by BrainZ, falling under the category of puzzle games. As the name suggests, it is a combination of classic block puzzles and the popular game of Sudoku. The game offers multiple shapes of blocks, which can be smashed in vertical and horizontal lines, and also in 3x3 squares.

The game is simple to play, yet challenging. It requires players to use their logical thinking skills to place blocks with different shapes in the right places. The game features multiple score modes, such as arrange multiple lines and squares to get combo score, and score continuously to get streak score. Players can also use power-ups like Clear, Respawn, and Undo to beat their high score and challenge other players.