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