| Valhalla Knights Japan | Sony - PlayStation Portable | 2007 |
| Valhalla Knights Japan | Sony - PlayStation Portable | 2007 |
| Valhalla Knights USA | Sony - PlayStation Portable | 2007 |
| Valhalla Knights Europe | Sony - PlayStation Portable | 2007 |
| Valhalla Knights 2 Japan | Sony - PlayStation Portable | 2008 |
| Valhalla Knights 2 USA | Sony - PlayStation Portable | 2008 |
| Valhalla Knights 2 Europe | Sony - PlayStation Portable | 2008 |
| Valhalla Knights 2 -Battle Stance Japan | Sony - PlayStation Portable | 2010 |