A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters. The path is dark and dangerous, but you'll have an array of weapons--including a pistol, a chainsaw, grenades, and more--to use for protection.
OS: Microsoft® Windows® 2000/XP (Does not support Windows Vista/7)
Processor: Pentium®IV 1.5 GHz or Athlon® XP 1500+ processor or higher
Memory: 384 MB RAM
Graphics: 100% DirectX® 9.0b compatible 64MB Hardware Accelerated video card and the lateset drivers
Storage: 2.2GB of uncompressed free hard disk space (plus 400MB for Windows® swap file)
Directx: DirectX® 9.0b (included)
Sound card: 100% DirectX® 9.0b compatible 16-bit sound card and the latest drivers
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2025-11-10
Get Double Amount of Extra Event YXP and Grow with YUPLAY
As previously promised, we are going to be making YXP events on the more regular side of things and here is the next opportunity for you to get a double amount of YXP from an Extra Event, which will help you grow to the next level tier by taking advantage of it properly! We have prepared a special promo event that is going to present you with the option to get 100 YXP instead of the usual 50 YXP…
Another month has passed and it is time to present our overview for some of the more intriguing news stories in gaming that happened during it! We have prepared interesting pieces about some of the more popular current and upcoming gaming titles like the new DLC of Kingdom Come: Deliverance II, and the Korean mythology-inspired open-world game Project TAL, as well as the shocking CS2 scandal and a dedicated part about the already concluded support for Windows 10.
