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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.

How to play Underhell - Coop (Unofficial version)


How to play Underhell - Coop (Unofficial version)

This small tutorial will explain how to play the unofficial Underhell Coop mode built into the engine. It is unstable, buggy, it will crash and lag, but it's possible to have fun.

Dec 15, 2013 Tutorial
Underhell has been Greenlit on Steam !


Underhell has been Greenlit on Steam !

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
The 90 best horror games on PC


The 90 best horror games on PC

You want to play new horror games? Put that cash-wad away. No, really, put it away it’s crawling with deadly spiders. I have some good news - there are developers out there who like scaring complete strangers...

Dec 2, 2013 Article
Underhell begins now


Underhell begins now

In case you haven't looked at the calendar, today Underhell begins! Also, development news!

Sep 13, 2013 News
This Mod Is Basically A Great-Looking, Full-Blown Survival Horror Game


This Mod Is Basically A Great-Looking, Full-Blown Survival Horror Game

It's called Underhell, and it's calling itself a mod—though it's closer to a full, stand-alone game. Specifically, an episodic survival horror-adventure game.

Sep 10, 2013 Article
Comments  (0 - 10 of 3,893)
Zac_Logan Sep 2 2014, 5:58pm said:

Best mod I've played in a good while out fo the others I've seen or played very curious when the next part will come out

+1 vote     reply to
JustaBraveLittleDoge Aug 16 2014, 4:59am said:

Nvm just had to do the tutorial again

+1 vote     reply to
JustaBraveLittleDoge Aug 16 2014, 3:50am said:

Does anyone know why when I try starting chapter two it just starts me in the house and then it says "I hear something beyond the fog of the house" so I go there and it makes me restart the tutorial and I really wanna play Chapter 2 but if anyone knows the solution please tell me

+1 vote     reply to
PsychoticFlame Aug 12 2014, 1:22pm said:

Who else beat this more than once?

+1 vote     reply to
niceheadcrab Jul 11 2014, 5:34am said:

i was too scard in the house part
so i nocliped

+1 vote     reply to
RorschachA7X Jul 10 2014, 1:14am said:

wow, that was...amazing. i loved it. i loved the characters, every single one had an individual personality. i loved the story, it kept me very interested. i loved the music, it fit very well. only a few complaints: one. please lower the random zombie horde spawns, several times i had survivors, only to have a random zombie horde show up and kill them. two, sometimes the game felt a bit unfair, if i had low health i would have to repeat a section several times. other than that it was amazing, and was better and longer than most $60 games that come out. i only understood about 20% of what happened after the final turret section, but i cant wait to find out more when dead city is released!

+1 vote     reply to
RorschachA7X Jul 3 2014, 1:45am said:

hey, im on the part where you and the guards are making a run for it after turning the power off, and matthew, the guy highlighted, is just standing with his hands on a cabinet. i killed all the zombies in the area and every other guard died, but matthew wont move and just keeps his hands on the cabinet, no matter where i go or what i do

+1 vote     reply to
RorschachA7X Jul 6 2014, 7:09pm replied:

ok nevermind, apparently the other guys WERE NOT supposed to die, keeping them alive made Matthew complete the animation

+1 vote     reply to
ryansoldierst Jul 1 2014, 4:50pm said:

I just finished the first chapter ! Im waiting for the next chapter ¨Dead City¨ to come out :D

+1 vote     reply to
AnimeguyChris21 Jun 29 2014, 6:17pm said:

The game is AWESOME. The only problem i do have is a small one, The slow-mo. When I shoot enemies, it seems as if the bullets do nothing to them.

+1 vote     reply to
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Track this mod Releases
Single Player
Latest tweets from @mxthe
This, now. #Konami Aug 13 2014, 2:15pm
I used to joke as a kid: "What would happen if Metal Gear Solid met Silent Hill?" Well it's not a joke anymore... #SilentHill Aug 12 2014, 11:11pm
Insurgency is FREE! For the week end, and a 50% off ! :D Aug 7 2014, 1:18pm
Dangerous Rays is now on Steam Greenlight! You can vote for us here! Aug 5 2014, 12:39pm
OMG! Insurgency is at 6.74$ ! That's a hell of a good price :D Jun 23 2014, 1:20pm
New Insurgency update! New PVP and CoOP map, and a price cut! Check it out :D Jun 4 2014, 1:22pm
I am now an environment artist on a 2-men project (including me) This gonna be fun May 17 2014, 1:10am
@Soma630 Hey, sounds good to me, please refer to the following thread: Apr 13 2014, 4:48pm
@ghuwevans Hey Gareth, I currently live in Mexico and the Raid 2 isn't coming out soon here. I really want to see it, and pay for it, how ? Apr 13 2014, 4:45pm
We just released a huge update on Insurgency, which includes all revamped coop maps by me! Played it yet? Mar 29 2014, 1:53pm
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