Simple 2000 Series Portable Vol. 1 – The Mahjong
Simple 2000 Series Portable Vol. 2 – The Shogi
Simple DS Series Vol. 13 – Ijoukishou Wo Tsuppashire – The Arashi No Drift Rally
Simple DS Series Vol. 22 – The Zero-Yon Shinya (Undutchable)
Simple DS Series Vol. 7 – The Illust Puzzle & Suuji Puzzle
Simple DS Series Vol. 37 – ALC De Mi Ni Tsuku! TOEIC Test – Listening Kyouka Hen (Mishito)