: Windows 98/ME/2000/XP (Black Edition supports Windows 10/11 through Steam). Processor : 1.5 GHz Pentium III or Athlon equivalent. Memory : 384 MB RAM (512 MB recommended).

: Approximately 1.2 GB to 3.4 GB of available space depending on the edition.

Watch a full playthrough of the first level to see the expansion's unique mechanics and atmosphere in action:

: 64 MB DirectX 8.1 compatible video card (e.g., NVIDIA GeForce 3 or better).

: Includes highly-regarded environments such as a haunted orphanage, a demonic circus ("Loony Park"), and a twisted version of World War II Leningrad.

: Introduces two unique weapons, including a combination sub-machine gun/flamethrower and a bolt gun that doubles as a grenade launcher.

You can purchase and download the digital version from several reputable retailers:

: Offers a DRM-free version for approximately 10.22USD , which is ideal if you prefer games without digital rights management.