Nikoli Co.
Nikoli no Puzzle 4: Shikaku ni Kire
Nikoli no Puzzle V: Yajilin
Nikoli no Puzzle V: Numberlink
Nikoli no Puzzle V: Shikaku ni Kire
Nikoli no Puzzle V: Hashi wo kakero
Nikoli no Puzzle V: Hitori ni Shitekure
Nikoli no Puzzle V: Masyu
Nikoli no Puzzle V: Museum
Nikoli no Puzzle V: Heyawake
Nikoli no Puzzle V: Nurikabe
Puzzle by Nikoli V: Slitherlink
Nikoli no Puzzle V: Kakuro
Puzzle by Nikoli V: Sudoku
SuperLite 1500 Series: Sudoku 4
SuperLite 1500 Series: Sudoku 5