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 has recently been Greenlit on Steam, thanks to everyone who voted. Updates on the weapon modeling of the game + a new ModDB design, and a Fan-Made trailer of Underhell Chapter 1.Dec 2, 2013 News
In case you haven't looked at the calendar, today Underhell begins! Also, development news!Sep 13, 2013 News
Underhell Chapter 1 + Prologue remake has been released. After over 2 years of hard work, we hope you will enjoy the game.Sep 1, 2013 News
Underhell Chapter One is now available for everyone who purchased the OST! Check your email !!!Aug 31, 2013 News
The Underhell Chapter One Original Soundtrack is available now! Buy it before the game's official release, and you can get the game ONE DAY EARLY !Aug 28, 2013 News