Titan 2

Titan 2 is a ten-level Doom II episode mod, created by Jesper Krag Rasmussen (Ixnatifual) and released on January 21, 2009. Built for GZDoom, it is the sequel to 2004's Titan and follows the protagonist's attempts to escape Hell and return to the moonbase. It once again features several custom enemies as well as a new weapon, the minigun.