--NOTE-- This game was not designed for Co-op, so if you get stuck somewhere, restart the game. -- F for Flashlight -- I decided to try something new, here's a Campaign-ish game. This was inspired by Underhell (The Half Life 2 mod not the Undertale mod) HUUUUUUUUUGE Credit to Rufus14 for the NPC Ai. Disc Link - p9qefmJ quest, fps, fighting, tactical, mission, Underhell, Call of Duty, Story. Police, Facility, Underground, Zombies, Single-Player