Buku Sudoku (titled Buku Números in Mexico and Buku数字パズル in Japan) is a downloadable puzzle game published by Merscom based on Sudoku for the Windows PC's. The game was also released for the Xbox 360 via Xbox Live Arcade, on May 28, 2008.
Buku Sudoku 360 offers variations on the traditional Sudoku puzzle including 4x4, 6x6, 8x8, 9x9, 12x12 and 16x16 grids. There are also three difficulty levels featured, as well as a "Create Your Own Sudoku" feature. The game allows the player customization options by letting them choose different background and tile themes to modify their Sudoku board. The Windows version features a Puzzle Mode and timed Arcade Mode, while the Xbox 360 version promises co-op and competitive online play. The game also features a display hints option for gamers that like to know when they have mis-entered a number. The game has 1200 Sudoku puzzles to play.
The Xbox Live Arcade version of Buku Sudoku will feature downloadable content packs.