| filename extensions | art-335 |
| upk | |
| TechTarget file types | art-336 | UPK-Gears-of-War-for-Windows-game-file |
| TechTarget file types | art-336 | UPK-Mass-Effect-game-file-archive |
| English | eng-000 | Gears of War for Windows game file |
| English | eng-000 | Mass Effect game file archive |
| English | eng-000 | Unreal Engine 3 Package |