I have created a new advent. map titled "The Infernal Lab" in which you wake up in an underground GMO testing facility and have to fight you way through the compound to get the code that unlocks the front door for you to escape. Check it out!
https://www.mediafire.com/folder/wkpkvq9...al_Machine
https://www.mediafire.com/folder/wkpkvq9...al_Machine