| The Sniper 2 | PlayStation 2 |
EU | 2002-11 | developed |
| Kanojo no Densetsu, Boku no Sekiban - Amirion no Ken to Tomo ni | PlayStation 2 |
JP | 2003-12 | developed |
| Simple 2000 Series Vol. 16 - The Sniper 2 - Akumu no Juudan | PlayStation 2 |
JP | 2004-03 | developed |
| Simple 2000 Series Vol. 56 - The Survival Game | PlayStation 2 |
JP | 2004-07 | developed |
| Simple 2000 Series Vol. 71 - The Fantasy Ren'ai Adventure - Kanojo no Densetsu, Boku no Sekiban | PlayStation 2 |
JP | 2005-02 | developed |
| Simple 2000 Series Vol. 119 - The Survival Game 2 | PlayStation 2 |
JP | 2007-08 | developed |
| Oretachi no Sabage Portable | PlayStation Portable |
JP | 2008-12 | published, developed |
| Dengeki no Pilot - Tenkuu no Kizuna | PlayStation Portable |
JP | 2010-01-28 | published, developed |
| Taisen Reversi | PlayStation Portable |
JP | 2010-02-19 | published, developed |
| Oretachi no Sabage Versus | PlayStation Portable |
JP | 2010-08-05 | published, developed |
| Taisen Gindan Shooting | PlayStation Portable |
JP | 2011-01-06 | published, developed |
| Taisen Chinchirorin | PlayStation Portable |
JP | 2011-02-03 | published, developed |
| Taisen Sensuikan Sweeper | PlayStation Portable |
JP | 2011-02-10 | published, developed |
| Taisen Obake Choice | PlayStation Portable |
JP | 2011-07-06 | published, developed |
| Taisen Youkai Doubt | PlayStation Portable |
JP | 2012-01-10 | published, developed |