Here is the full list of all 84 Rampage Knights achievements.
Kill 100 giants.
Heal 5000 hp.
Use 5 altars.
Complete A Devilish Rock Off, Exorcist and Elder ones.
Buy the shop out.
Get high with the magic mushroom.
Complete Grave Robber, Get Trippy and Forest Den.
Destroy 200 shields.
Drink up 200 potions.
Kill 25 enemies in a row without being hit.
Find 10 books of magic.
Complete Adept of Magic, Scribbler and Librarian.
Clear 100 rooms without being hit.
Lockpick 50 chests without fail.
Send 200 enemies flying by kick.
Kill 1000 enemies.
Kill 100 enemies with stomp.
Win the game.
Kill 100 demons.
Kill 10 wizards.
Remove any curse from yourself.
Kill the cook.
Collect 1000 gold.
Complete Give me the booty, Open sesame and Early in the morning.
Deal 10000 points of damage with magic.
Hit for 250 or more with a single hit.
Deal 5000 points of burn damage.
Open 20 chests.
Decapitate 25 enemies.
Win all statistics when completing a level.
Kill your first boss.
Complete Bullseye, Why so jumpy? and Assassinated.
Acquire double jump.
Hit enemies 25 times with a throwing weapon.
Use 3 scrolls.
Get drunk.
Find all haunted inns (the devil, potion shop and ghosts).
Get treasure from the forest den.
Resurrect a friend via combat in a multiplayer game.
Kill a giant.
Complete Grant me revenge!, Crush and Oversized.
Kill 50 enemies.
Crush 10 enemies by stomping.
Die 3 times. Get an access to a casual mode.
Loot graveyard.
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.
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.
Drop 10 giants into a chasm.
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.
Deal 100000 points of damage with magic.
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.
Hit all rewards on the Wheel of Misfortune.
Collect more than 70 gold during the Gold Rush event.
Win a multiplayer game.
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.