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.

TauntVermin84 says

10/10 - Agree Disagree

This mod is great. I recommend this mod to anyone who are fans of Half-Life 2.

I’ve played the Prologue and Chapter 1 a dozen amount of times. I can’t wait for Chapter 2, this story is very interesting. I wonder what will happen next?

I wish the developers a good luck.

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1739 votes submitted.

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Highest Rated (189 agree) 10/10

Underhell is one of those mods that comes along every so often, that makes you look at retail and remember when they used to make good games like this...and saddens you a little that the industry can't turn out gold like this these days. In a world of MMO's, Call of Duty FPS's, we get a classic game with a good story, incredible atmosphere, and depth to boot. Fun gameplay on top of that? This is a lovechild, and that is what makes it amazing. This is the result of someones vision come to life. They…

Mar 6 2011 by Mkilbride