Serious Sam: The First Encounter is a Sci-Fi First-Person Shooter game, developed by Croteam and published by Gathering, which was released in 2001.
Minimum system requirements
AMD K6-3 400MHz, Pentium II or Celeron-A 300MHz
64MB RAM
Fully OpenGL compliant 3D accelerator
100% Windows-compatible sound card
150MB hard drive space
Recommended system requirements
AMD Athlon 550MHz or Pentium III 550MHz
128MB RAM
nVidia GeForce 256 or GeForce2, PowerVR Kyro, S3 Savage2000, 3Dfx Voodoo5, ATI Radeon
Creative Labs SoundBlaster Live
450MB hard drive space