After-install integrity check so you could make sure that everything installed properly.Installation takes 5-10 minutes (depending on your system and selected language).Significantly smaller archive size (compressed from cumulative 23.5 to 4.6~6.4 GB for any single language).Selective Download feature: you may skip downloading and installing of optional voiceover/movies packs.100% Lossless & MD5 Perfect: all files are identical to originals after installation.SSE emu applied over, allowing multiplayer between same crack/game version users.Missing voiceovers/videos for 4 languages (9.7 GB) added.Based on Steam release Build 5608010 from Septem(v2.2.0.2): 13.8 GB, thanks to chronos and Christsnatcher!.Genres/Tags: Action, Shooter, First-person, 3D