1 - Utawarerumono
Released on Apr 26th 2002
3 - White Album: Memories Like Falling Snow
Platforms:
PC (Microsoft Windows), PlayStation 3
Released on Jun 24th 2010
13 - Tears to Tiara
Platform:
PC (Microsoft Windows)
Released on Apr 28th 2005
18 - Hatsune no Naisho!!
Platform:
PC (Microsoft Windows)
Released on Nov 28th 1997