Blood Fresh Supply
Bobafettjm's Progress
Beneath the Floorboards
Find a super secret
Sleep, Ophelia
Complete The Way of All Flesh on any difficulty
Forgive Me, Old Friend
Complete Even Death May Die on any difficulty
Rest in Pieces
Complete Farewell to Arms on any difficulty
Thine Is the Kingdom
Complete Dead Reckoning on any difficulty
The Nightmare Ends
Complete Cryptic Passage on any difficulty
Priest, Beast, Deceased
Complete Post Mortem on any difficulty
Swallow This
Kill a Choking Hand
Maranax MaranAAAHHHHHH
Kill 100 Cultists
I Die... Again
Kill yourself 10 times in single-player
Watch out for Pedestrians
Complete Ghost Town (E3M1) on any difficulty without any Innocents getting killed
Digestive Irritant
Find the secret level in The Way of All Flesh
Should Have Gone to the Beach
Find the secret level in Even Death May Die
Better Left Buried
Find the secret level in Farewell to Arms
Shopping Spree!
Find the secret level in Dead Reckoning
The Legend...
Find the secret level in Cryptic Passage
So Forgotten That They're Still Full of Cultists
Find the secret level in Post Mortem
Oh My God... You're Rabid!?
Exploit the Hellhound's greatest weakness
I'm Not Staying in This Freaking House Another Second
Complete The Haunting (E2M5) in under 40 seconds on any difficulty
Chosen-in-Regress
Defeat the 3 Beasts of Beauty and the Beast (E6M8) in under 3 minutes on Well Done difficulty or above