Here is the full list of all 84 Rampage Knights achievements.
Clear 100 rooms without being hit.
Hit 200 enemies with explosions.
Drop 10 giants into a chasm.
Drink up 200 potions.
Kill 10 enemies with the dwarven contraption.
Deal 5000 points of burn damage.
Use 5 altars.
Complete A Devilish Rock Off, Exorcist and Elder ones.
Find 10 books of magic.
Complete Adept of Magic, Scribbler and Librarian.
Destroy 200 shields.
Lockpick 50 chests without fail.
Kill 100 demons.
Kill 1000 enemies.
Send 200 enemies flying by kick.
Kill 100 enemies with stomp.
Win the game.
Win a multiplayer game.
Kill your first boss.
Complete Bullseye, Why so jumpy? and Assassinated.
Acquire double jump.
Collect 1000 gold.
Complete Give me the booty, Open sesame and Early in the morning.
Decapitate 25 enemies.
Get treasure from the forest den.
Complete Grave Robber, Get Trippy and Forest Den.
Deal 10000 points of damage with magic.
Hit 7 enemies with one dash attack.
Use 3 scrolls.
Remove any curse from yourself.
Open 20 chests.
Resurrect a friend via combat in a multiplayer game.
Buy the shop out.
Find all haunted inns (the devil, potion shop and ghosts).
Get drunk.
Get high with the magic mushroom.
Kill a giant.
Complete Grant me revenge!, Crush and Oversized.
Hit enemies 25 times with a throwing weapon.
Win the battle on the castle bridge.
Die 3 times. Get an access to a casual mode.
Win all statistics when completing a level.
Loot graveyard.
Kill 50 enemies.
Crush 10 enemies by stomping.
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.
Freeze 200 enemies.
Poison 200 enemies.
Stun 100 enemies.
Slam enemies 200 times to the ground with upper cut attack.
Kill 25 enemies cursed by the Book from the Cabin.
Throw 200 enemies into chasms.
Kill 100 giants.
Hit for 250 or more with a single hit.
Hit 7 enemies with a single throwing axe.
Build the hit counter up to 50.
Kill 10 enemies with the Mighty Foot.
Heal 5000 hp.
Kill 25 enemies in a row without being hit.
Deal 100000 points of damage with magic.
Kill 10 wizards.
Go through 1000 rooms.
Destroy 10000 decorations.
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.
Kill the cook.
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.