Achieved | Achievement | % of players | Unlock date |
|---|---|---|---|
 | Secret Sleuth Discover a secret area | 100% | |
 | My Cause is Just, My Will is Strong Find the BFG9000 | 19.14% | |
 | Unholy Firepower Find the Unmaker | 18.99% | |
 | Rip and Tear! Kill a Cyberdemon | 13.53% | |
 | RVNH3CT1CD3M0??? Locate the secret level 'Hectic' | 10.07% | |
 | Mother May I? Defeat the Mother of All Demons on The Absolution | 9.93% | |
 | Walk the Path Finish the Lost Levels mission | 6.19% | |
 | Persistence is the Key Acquire all 3 Demon Key Artifacts in the main campaign | 5.18% | |
 | That was Fun Finish a 'Fun' Level | 4.89% | |
 | Escape Artist Finish 'No Escape' on Watch Me Die skill level | 4.89% |