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.

RSS Tutorials
How to play Underhell - Coop (Unofficial version)

How to play Underhell - Coop (Unofficial version)

Other Tutorial 26 comments

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...

Underhell Entity List

Underhell Entity List

Mapping/Technical Tutorial 27 comments

This is a list of the new entities we added in Underhell. This way you can add them into your custom maps, and enjoy the new features!

Difficulty Scaling

Difficulty Scaling

Mapping/Technical Tutorial 22 comments

Half Life 2 made you weaker, enemies tougher, and gave you less ammo. We intend to push things a little more.

Custom Titles System

Custom Titles System

Mapping/Technical Tutorial 6 comments

After hitting a hard limitation on the TITLES.TXT file, we have created our own system that allows us to not only create as many TITLES as we want, but...

Item_Random for Random Loot !

Item_Random for Random Loot !

Mapping/Technical Tutorial 5 comments

This brief tutorial will explain how the random placement and selection of items/weapons works in Underhell, as well as a short tutorial on how to place...

Enemy AI Improvements & Sneaky Gameplay

Enemy AI Improvements & Sneaky Gameplay

Mapping/Technical Tutorial 10 comments

This is a short explanation of how the "Sneaky Gameplay" works in Underhell, and how the enemy AI was improved and tailored to help it work correctly...

Player Model and Mirror Reflections

Player Model and Mirror Reflections

Mapping/Technical Tutorial 22 comments

A short explanation followed by a tutorial about the Player Model and the Mirror Reflections systems in Underhell.

Multiple Render Targets, Higher Resolution Monitors

Multiple Render Targets, Higher Resolution Monitors

Mapping/Technical Tutorial 16 comments

This tutorial will explain how we implemented a system to workaround the Source Engine's limitation of having only 1 Ingame Camera active at a time, and...

Bodygroups, Gibs, Ragdolls and Decals

Bodygroups, Gibs, Ragdolls and Decals

Mapping/Technical Tutorial 11 comments

This tutorial will explain how Bodygroups, Gibs, Ragdolls and decals work in Underhell, and which features has been added.

New Message Entities Inputs

New Message Entities Inputs

Mapping/Technical Tutorial 4 comments

This tutorial will explain the new "Env_Message", "Env_HudHint" and "Env_Global" inputs that we have incorporated into Underhell, to facilitate a lot...