Prototypes
Unknown has released 9 prototypes.
Unknown has dumped 17 prototypes.
| | Date | System | File release date | Page creation date |
|---|
| Guitar Hero III: Legends of Rock (Jul 6, 2007 prototype) | | Xbox 360 | | |
| L.A. Noire (Apr 28, 2014 prototype) | | PC | | |
| Left 4 Dead 2 (Aug 6, 2009 prototype) | | PC | | |
| Left 4 Dead 2 (Sep 2, 2009 prototype) | | PC | | |
| Pizza Frenzy (Nov 27, 2004 prototype) | | PC | | |
| Pokémon Black & White (Dec 18, 2006 prototype) | | Nintendo DS | | |
| Ratchet & Clank: Phone Home (Jun 14, 2007 prototype) | | Java ME | | |
| Rec Room (FirstEA) | | PC | | |
| Rec Room (June 27th 2016 Beta) | | PC | | |
| Resident Evil 2 (GBA Tech Demo) | | Game Boy Advance | | |
| Skate (Oct 11, 2007 Prototype) | | Xbox 360 | | |
| Skate. (September 2021 prototype) | | PC | | |
| Team Fortress 2 (Beta Assets 2) | | PC | | |
| Team Fortress 2 (Beta Assets) | | | | |
| Team Fortress 2 (Leftover Beta Files) | | PC | | |
| Tom Clancy's Ghost Recon (Sep 11, 2001 prototype) | | PC | | |
| Tony Hawk's Pro Skater 1+2 (May 23, 2020) | | PlayStation 4 | | |