Nikoli No Sudoku Lite Dai-Ni-Shuu
Nikoli No Sudoku Lite Dai-Yon-Shuu
Nikoli No Sudoku Lite Dai-Is-Shuu
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