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