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