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.

Description

drop the *.exe into your Doom 3 main folder and .dll into Doom 3/base. to play run ioDOOM3.

Preview
iodoom3
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