🥇 RVNH3CT1CD3M0???
Locate the secret level 'Hectic'
🥈 Secret Sleuth
Discover a secret area
🥈 My Cause is Just, My Will is Strong
Find the BFG9000
🥈 Unholy Firepower
Find the Unmaker
🥈 Rip and Tear!
Kill a Cyberdemon
🥈 That was Fun
Finish a 'Fun' Level
🥉 Mother May I?
Defeat the Mother of All Demons on The Absolution
🥉 Walk the Path
Finish the Lost Levels mission
🥉 Persistence is the Key
Acquire all 3 Demon Key Artifacts in the main campaign
🥉 Escape Artist
Finish 'No Escape' on Watch Me Die skill level