This was part of a project called Project Uber, but Jack cancelled it since it wasn't much for him.
The UAC was doing some Teleportation experiments. However, the experiment has gone wrong. Opened the portal to Hell. Hellspawn and possessed humans took over and ruined and corrupted their base.
It is up to you to kill the demons and close the gates.
Credits:
id Software for DOOM, Randy for ZDoom, Graf for GZDoom, Carn for Skulltag, Jack101 for beta testing suggestions, and HUD modification, System Shock for music, and Jimmy and Forty-Two for midis. Did I miss anyone?
Base:
.
It is up to you to kill the demons and close the gates.