7 - Simple 2500 Series Portable Vol. 3: The Dokodemo Suiri - IT Tantei: Zen 68 no Jikenbo
Platform:
PlayStation Portable
Released on Apr 27th 2006
11 - One Piece: Niji no Shima Densetsu
Platform:
WonderSwan Color
Released on Sep 13th 2001
15 - Simple 1500 Series Vol. 82: The Sensuikan
Genre:
Simulator
Released on Dec 20th 2001
19 - Simple 1500 Series Vol. 59: The Suiri - IT Tantei: 18 no Jikenbo
Genres:
Adventure, Point-and-click
Released on Apr 26th 2001
20 - Simple DS Series Vol. 15: The Kanshikikan 2 - Aratanaru 8-tsu no Jiken wo Touch seyo
Platform:
Nintendo DS
Released on May 31st 2007
22 - Simple 1500 Series Vol. 91: The Gambler - Honoo no Tobaku Densetsu
Genres:
Arcade, Card & Board Game
Released on Mar 28th 2002