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