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