Play the enhanced version of the original game released on the Nintendo 64 in 1997. Years have passed since you stopped Hell’s invasion of Earth. Quarantined for humanity’s safety, the UAC research facilities on Mars were abandoned and forgotten...until now.
ActionDefeat the Mother of All Demons on The Absolution
Finish the Lost Levels mission
Discover a secret area
Find the BFG9000
Find the Unmaker
Acquire all 3 Demon Key Artifacts in the main campaign
Kill a Cyberdemon
Finish a 'Fun' Level
Locate the secret level 'Hectic'
Finish 'No Escape' on Watch Me Die skill level