Cathedral: Collect 330 pieces of gold dropped by enemies (Solo Campaign)
Loonypark: Kill 3 monsters in a row using saw blade (Solo Campaign)
Opera: Collect 100 souls (Solo Campaign)
Swamp: Kill SwampThing in under 4:00 (Solo Campaign)
Orphanage: Gib 50 frozen enemies (Solo Campaign)
Shadowland: Collect all Holy Items (Solo Campaign)
Colloseum: Pick up every ammo box (Solo Campaign)
Alastor: Kill Alastor in under 5:00 (Solo Campaign)
Atrium Complex: Finish level in under 7:00 (Solo Campaign)
Enclave: Kill Necrogiant in under 2:00 (Solo Campaign)
Colloseum: Morph into demon 3 times (Solo Campaign)
Opera: Find all secret areas (Solo Campaign)
Trainstation: Cut limbs of 100 enemies using Soul Catcher (Solo Campaign)
Factory: Kill 30 enemies in demon mode (Solo Campaign)
Orphanage: Kill all monsters (Solo Campaign)
Cathedral: Collect 500 gold (Solo Campaign)
Loonypark: Possess 25 enemies using Soul Catcher (Solo Campaign)
Oriental Castle: Collect all Holy Items (Solo Campaign)
Kill 666 enemies with Soul Catcher
Kill 999 enemies with Shotgun
Solo Campaign: Collect 2012 pieces of gold from fallen enemies
Solo Campaign: Find 25 secret areas
Collect 667 souls of dismembered enemies
Shoot 50000 times
Play 10 different levels in cooperative mode
Spend 666 seconds on bunny-hopping
Gib 500 enemies entirely with rockets
Solo Campaign: Play whole game on Nightmare difficulty level
Solo Campaign: Play whole game on Trauma difficulty level
Collect 40 armors
Solo Campaign: Finish the level using stakes only and don't miss any hit
Kill 6666 enemies with stakes
Kill 1000 enemies in Survival mode
Collect all available Black Tarrot cards
Kill 500 enemies with environmental explosions
Kill 123 enemies with combo damage
Capture 3 flags playing as Eve in one game
Get 30 kills in 3 minutes in Deathmatch mode
Finish level without being hurt
Play cooperative level and don't let your partner die
Kill enemy at the same time he kills you
Kill 3 enemies with one Boltgun shot
Bring enemy flag to your base
Don't die and win multiplayer game
Don't let any of your enemies collect Quad Damage
Play with at least 4 other people and collect 4 frags more than any of your enemies
Win Team Deathmatch with the highest score in your team
Win Capture The Flag by bringing the flag to your base in last 10 seconds of the game
Win Survival killing at least 2 times more monsters than your rivals
Kill 3 enemies with one shotgun blast
Kill 256 enemies when bunnyhopping
Win Survival match
Finish special Halloween map and collect all lollipops for Lucipher
Defeat Satan Claus on special Christmas map
Win deathmatch game on Psycho
Win survival game on Illuminati
Kill all enemies on Bridge map (solo campaign)
Finish Town map (solo campaign)
Select your own Pope in Conclave level
Find all secrets on Bunker map(solo campaign)
Win Deathmatch match on Fragenstein
Collect all Satan's Eggs on Easter level
Beat the Atrium Complex challenge in solo survival mode.
Beat the City on Water challenge in solo survival mode.
Beat the Opera challenge in solo survival mode.
Beat the Trainstation challenge in solo survival mode.
Beat the Unseen challenge in solo survival mode.
Beat the Chaos challenge in solo survival mode.
Beat the Illuminati challenge in solo survival mode.
Beat the Inhumator challenge in solo survival mode
Beat the Psycho challenge in solo survival mode
Beat the Fragenstein challenge in solo survival mode
Beat the Blink challenge in solo survival mode
Beat the Meatless challenge in solo survival mode
Beat the Mines challenge in solo survival mode
Beat the Prison challenge in solo survival mode
Beat the Snow Town challenge in solo survival mode
Finish the Graveyard
Make your way through the Town
Kill final enemy on Babel
Defeat the Stone Golem on Angkor
Beat the tank hordes on Pentagon
Don't kill any zombies while solving the puzzles
Avoid any burns on Fire Plate Puzzle
Use 5 electric sparks under 20 seconds during boss fight
Discover how to summon Ghostship
Let them burn: Destroy all 3 ambulances
Kill all the castle guards.
Solve the pope puzzle.
Flip all 16 columns.
Finish 3rd arena without using MonkTrap.
Collect all holy items on Monastery map (solo campaign)
Destroy all objects on Ruins map (solo campaign)
Collect all ammo on Pentagon map (solo campaign)
Beat the Factory challenge in solo survival mode
Keep the hit ratio above 90% in whole level
Shadowland: Kill Grim Reaper (Solo Campaign)
Destroy 300 barrels
Kill 333 enemies with explosive weapons
Collect 500 ammo crates
Solo Campaign: Finish 3rd chapter
Oriental Castle: Gib 123 enemies (Solo Campaign)
Finish 2nd chapter
Kill 5 enemies with one rocket
Solo Campaign: Finish 1st chapter
Cemetery: Beat the level (Solo Campaign)
Tutorial: Destroy all objects (Solo Campaign)
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