Underhell is a Source Engine game developed by the Underhell Team in collaboration with We Create Stuff. Underhell Chapter 1 requires ONLY Source SDK Base 2007 installed. No Source game is required.
Underhell Prologue + Chapter 1 German Language Pack, includes translated subtitles and graphic content. Instructions:
1. Make sure you have the latest version of Underhell Chapter 1.
2. Extract the content of the archive in your Sourcemods folder, overwrite everything.
3. Make sure that you now have both Underhell and underhell_german folders in the Sourcemods folder.
Credits: Berserkr and Phantron