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