Nikoli No Sudoku 3 Dainishuu – Sudoku Kakuro Bijutsukan Hitori-ni-Shitekure
Nikoli No Sudoku 2 Daiisshuu – Sudoku Nurikabe Heyawake
Nikoli No Sudoku 3 Daisanshuu – Sudoku Slitherlink Masyu Yajilin
Sudoku DS – Nikoli No 'Sudoku' Kettei Ban (High Road)
Nikoli No Sudoku Lite Dai-Ni-Shuu
Nikoli No Sudoku Lite Dai-Is-Shuu