Defeat 15 enemies in 3 seconds
Complete "Steak from Hell" quest
Spend 3 hours fighting
Defeat Big Wac
Complete the game, any ending
The ending: LOU agrees to Big Wac's proposal
Defeat 100 enemies with BFG
Defeat 100 enemies with Soulgun
Use rage 20 times
Defeat 100 burgers
Max out the ammo bar
Max out the bottle bar
Max out your HP bar
Rise from the dead
Buy 5 abilities in store
Spend 100 grand
Defeat Nerdomancer
Blow up 20 vending machines
Defeat 100 enemies with a bazooka shot
Defeat El Roico
Collect 100.000 coins
Defeat 30 tourists
Defeat 30 enemies with minions
Summon 20 imps with magic
Defeat 30 enemies with dash
Defeat 500 enemies
Defeat Behemoth
Blow up 5 enemies with one grenade (AK 47 alt attack)
Blow up 50 barrels
Open 20 doors
Defeat 100 enemies with AK 47
Defeat 10 enemies by blasting a barrel
Don't use bottles during one level
Complete "Save our bones" quest
Defeat 50 enemies with a revolver
Defeat 50 enemies with a shotgun