A massive demonic invasion has overwhelmed the Union Aerospace Corporation's Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters.
Special thanks to all mappers from doom3.ru! INSOMNIA This is a shot mappack (4 maps) in hell-style. To start play, copy "insonmia.pk4" in your DooM3/base directory, and type in console: map insonmia1.map
Solid set of difficult, aggressive, infinite stamina strafejump, slaughtermaps !