The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
A contender for the next Sudoku! Unlimited puzzles! Only one optional IAP.Shirodoko is a contender for the next Sudoku! This logic puzzle game is known by other names such as Kuromasu, Kurodoko, or "Where is Black Cells". Free to download with ads, and only one optional IAP to buy, ever! Even without the IAP you get near-infinite puzzles to play. The lone IAP removes ads and adds more variety to your puzzles by allowing for more board sizes. 9x9, 6x12 and 10x18 sizes are included. With purchase any size from 5x5 to 20x30 is possible.