Here is the full list of all 84 Rampage Knights achievements.
Poison 200 enemies.
Go through 1000 rooms.
Win the game.
Win a multiplayer game.
Kill 10 enemies with the Mighty Foot.
Drop 10 giants into a chasm.
Kill 25 enemies in a row without being hit.
Throw 200 enemies into chasms.
Remove any curse from yourself.
Complete A Devilish Rock Off, Exorcist and Elder ones.
Find 10 books of magic.
Complete Adept of Magic, Scribbler and Librarian.
Use 5 altars.
Kill your first boss.
Complete Bullseye, Why so jumpy? and Assassinated.
Buy the shop out.
Lockpick 50 chests without fail.
Kill 100 demons.
Destroy 200 shields.
Clear 100 rooms without being hit.
Kill 1000 enemies.
Loot graveyard.
Complete Grave Robber, Get Trippy and Forest Den.
Deal 10000 points of damage with magic.
Hit enemies 25 times with a throwing weapon.
Send 200 enemies flying by kick.
Collect 1000 gold.
Complete Give me the booty, Open sesame and Early in the morning.
Kill the cook.
Kill 100 enemies with stomp.
Decapitate 25 enemies.
Open 20 chests.
Find all haunted inns (the devil, potion shop and ghosts).
Get drunk.
Get high with the magic mushroom.
Resurrect a friend via combat in a multiplayer game.
Win all statistics when completing a level.
Use 3 scrolls.
Get treasure from the forest den.
Kill a giant.
Complete Grant me revenge!, Crush and Oversized.
Acquire double jump.
Kill 50 enemies.
Crush 10 enemies by stomping.
Die 3 times. Get an access to a casual mode.
Win the battle on the castle bridge.
Win the game on Hard difficulty.
Win the game on Insane difficulty.
Win the game with all classes on Hard or higher.
Win the game without dying on Hard or higher.
Complete King, Jack of All Trades and Untouchable.
Win the game in less than 30 minutes.
Die 5+ times and still win the game on Hard or higher.
Deal 5000 points of burn damage.
Freeze 200 enemies.
Hit 200 enemies with explosions.
Stun 100 enemies.
Slam enemies 200 times to the ground with upper cut attack.
Kill 10 enemies with the dwarven contraption.
Kill 25 enemies cursed by the Book from the Cabin.
Kill 100 giants.
Hit for 250 or more with a single hit.
Hit 7 enemies with a single throwing axe.
Hit 7 enemies with one dash attack.
Build the hit counter up to 50.
Heal 5000 hp.
Deal 100000 points of damage with magic.
Kill 10 wizards.
Destroy 10000 decorations.
Drink up 200 potions.
Buy 100 items.
Have 1000 gold in your pocket.
Lockpick 200 chests.
Have 7 familiars at once.
Have 3 curses at once.
Open 13 demonic chests.
Turn all cards in the game with the devil.
Hit all rewards on the Wheel of Misfortune.
Collect more than 70 gold during the Gold Rush event.
Win the game in Shadow World.
Find and kill Rolf Ironbutt in the Endless Dungeon.
Win the Bombo-Rama mutation.
Win the Flying Daggers mutation.
Win the Arena mutation.