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