Simple 2500 Series Portable Vol. 7 – The Doko Demo Kanji Quiz 2006
Simple DS Series Vol. 33 – The Crossword & Kanji Puzzle
Simple DS Series Vol. 12 – The Party Unou Quiz
Simple DS Series Vol. 26 – The Quiz 30000-Mon (Navarac)
Itsudemo Doko Demo – Onita Atsushi No Seiji Quiz DS (6rz)
Puzzle Series Vol.13 – Kanji Puzzle (2CH)