| | Date | System | File release date | Page creation date |
|---|
| Teasers | | Nintendo Wii | | |
| GDD v.1.5 BD 9-25-2007 | | Other | | |
| Big Top Circus (0.2.0197 prototype) | | Nintendo Wii | | |
| Big Top Circus (0.2.121 prototype) | | Nintendo Wii | | |
| Big Top Circus (anaglyph prototype) | | Nintendo Wii | | |
| Colliderz (Jun 13, 1997 prototype) | | Sega Saturn | | |
| Dragon Shooter (Jan 9, 2013 prototype) | | Nintendo Wii | | |
| Dragon Sword 64 (Prototype) | | Nintendo 64 | | |
| Duke Nukem: Critical Mass (3D SideScroll Tech demo) | | Nintendo DS | | |
| Duke Nukem: Critical Mass (DUKECM Tech demo) | | Nintendo DS | | |
| Duke Nukem: Critical Mass (Duke B Tech demo) | | Nintendo DS | | |
| Duke Nukem: Critical Mass (Duke Tech demo) | | Nintendo DS | | |
| Duke Nukem: Critical Mass (Duke nawia 0.199 Tech Demo) | | Nintendo DS | | |
| Duke Nukem: Critical Mass (Jan 19, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jan 23, 2010 Tech Demo 2) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jan 23, 2010 Tech Demo) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jul 13, 2010) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jul 14, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jul 27, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jul 30, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jun 10, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jun 12, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (Jun 22, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (May 27, 2010 prototype) | | PlayStation Portable | | |
| Duke Nukem: Critical Mass (prototype) | | Nintendo DS | | |
| Dune: Ornithopter Assault (Prototype) | | Game Boy Advance | | |
| EXTRACTION POINT: ALIEN SHOOTOUT (Dec 2, 2010 prototype) | | PlayStation Portable | | |
| EXTRACTION POINT: ALIEN SHOOTOUT (Nov 24, 2010 prototype) | | PlayStation Portable | | |
| EXTRACTION POINT: ALIEN SHOOTOUT (Nov 26, 2010 prototype) | | PlayStation Portable | | |
| Experiment World (Apr 11, 2009 prototype) | | Nintendo DS | | |
| Experiment World (Nov 5, 2008 prototype) | | Nintendo DS | | |
| Experiment World (Oct 17, 2008 prototype) | | Nintendo DS | | |
| Experiment World (Oct 22, 2008 prototype) | | Nintendo DS | | |
| Explosion Royale (Jun 3, 2003 prototype) | | PlayStation 2 | | |
| Flop (Sep 18, 2009 prototype) | | Nintendo Wii | | |
| Fun Park 2 (A prototype) | | Nintendo DS | | |
| Fun Park 2 (Dec 6, 2011 prototype) | | Nintendo DS | | |
| Galactic Siege (Jan 10, 2010 prototype) | | PlayStation Portable | | |
| Galactic Siege (prototype) | | Nintendo DS | | |
| Let's Paint (prototype) | | Nintendo DS | | |
| Mech Wars (Dec 17, 2010 prototype) | | Nintendo DS | | |
| Metal Arms: Glitch in the System (May 2, 2003 prototype) | | Xbox | | |
| Mythri | | Game Boy Advance | | |
| Reverence (Nov 14, 1996 prototype) | | PC | | |
| Sterling George (A prototype) | | Nintendo DS | | |
| Sterling George (Sep 26, 2008 prototype) | | Nintendo DS | | |
| Zombie Shooter (Jan 6, 2013 prototype) | | Nintendo Wii | | |
| Zombie Shooter (Sep 28, 2011 prototype) | | Nintendo Wii | | |
| Zoo Vet: Endangered Animals (Apr 15, 2009 prototype) | | Nintendo Wii | | |