Full list of all 82 Sir Whoopass: Immortal Death achievements.
The base game contains 66 achievements, and there are 2 DLC packs containing 16 achievements.
Get the Jetpack 2000 by cheating
Get full protection when Level Up
"Defeat" The Immortal
Release all the chains
Get full luck when Level Up
Eat 500 Gnomes
Kill a Grenadier with your bare hands
Visit a place you shouldn't actually visit
Get full agility when Level Up
Dodge 500 times
Get full strength when Level Up
Collect at least 100 eggs
Kill 1000 enemies
Drink five large grogs at the same time
Make the Bard play another song while you are drunk
Have three grogs in total
Kill the Ent
Live out your cowboy dreams and make a triple-shot
Kill Big Boi
Kill 500 enemies
Blow up yourself and an enemy with a dynamite barrel
Kill yourself with metal bars
Jump 500 times
Eat 100 Gnomes
Kill a Billy-Goat
Find and buy the HoverCraft 2500™
Kill your first Grumpy Worm
Kill your first Shotgun Knight
Kill an enemy using metal bars
Whoop Ass 10 times!
Eat your first grilled chicken
Dodge 100 times
Drink your very first grog
Kill your first Skelton warrior
Kill your first Billy Bob
Find the marvelous Chickenator
Use the stinky outhouse
Pick up a Mistlefoe
Kill your first IRS guy
Kill 100 enemies
Jump 100 times
Buy a surpise from Melisande
Kill the clown in the sewers
Kill your first Fungoid Bob
Kill you first Grenadier
Put out the fire
Get eaten by a shark
Make the Bard play another song
Kill your first Sven-Olof
Dodge 20 times
Kill your first Orc Hipster
Jump 20 times
Kill your first Orc Warmaiden
Catch fire
Eat your first Garden Gnome
Read a book from a bookshelf
Kill your first Orc Noob
Get your very first lethal weapon
Collect your first Wheel of Cheese!
Collect 5 Wheels of Cheese!
Collect 10 Wheels of Cheese
Collect 25 Wheels of Cheese
Collect 50 Wheels of Cheese and make Sheo proud!
Loot 6 drunken orcs
Beat the first Flappy Knight level in the arcade machine.
Spoil the Bard so he can afford new and fancy clothes.
Complete the dungeon 100%
Find a pair of Deal-with-it glasses
Find all 6 pairs of Deal-with-it glasses