Sudoku Ball – Detective (US)(Suxxors)
Sudoku DS – Nikoli No 'Sudoku' Kettei Ban (High Road)
Nikoli No Sudoku 3 Dainishuu – Sudoku Kakuro Bijutsukan Hitori-ni-Shitekure
Nikoli No Sudoku 3 Daiyonshuu – Sudoku Numberlink Shikaku-ni-Kire Hashi-o-Kakero
Nikoli No Sudoku 2 Daiisshuu – Sudoku Nurikabe Heyawake
Nikoli No Sudoku 3 Daisanshuu – Sudoku Slitherlink Masyu Yajilin