Prey

Prey is a science fiction first-person shooter video game developed by Human Head Studios and published by 3D Realms in 2006. Localized and published in Russia by 1C. The game uses a slightly modified graphics engine Doom 3, which brought to a whole new level of graphics in computer games.

System Requirements

Official:
English version of Microsoft Windows 2000/XP;
Pentium 4 1.5 GHz or Athlon XP 1500+;
512 MB RAM;
8-speed CD-ROM;
2.2 GB of free hard disk space;
100% DirectX 9.0b compatible sound card with latest drivers
100% Windows 2000/XP compatible keyboard and mouse;
installed on a DirectX 9.0b system;
3D accelerator (Radeon 8500 - GeForce 6800).

The game uses a heavily modified Id Tech 4 (previously used in Doom 3) capable of generating "vast open spaces other than traditional corridors".