There are 12 achievements with a total of 200 points.
Destroyer Of Chickens 10 
[]
Kill 100 Chickens
The Day the Music Died 20 []
Kill Sergeant Orque
Sergeant Orque is in Camp Orqawanga. Kill him.
Can't Kill Me... 5 
[]
Resurrect at an Outhouse
Die and you'll re-spawn in the nearest activated Outhouse.
Man In The Hole 15 []
Complete 6 Spelunker Quests
The 6 Quests are:
- Swamp Crystal (Swamp Cave)
- Enchanted Crystal (Enchanted Forest Cave)
- Haunted Crystal (Haunted Forest Cave)
- Crystal Eyeball (Eyeball Cave)
- Wretched Crystal (Wretched Cave)
- Sabretooth Crystal (Sabretooth Cave)
Extracurricular Activities 20 []
Finish 50 Side Quests
Justice Dispenser 25 []
Kill 2500 Enemies
I'm an Addict 10 []
Drink 50 Potions
Just drink 50 potions, any potions will do, health, armour, speed potions, they all count.
Mr. Tough Guy 30 []
Reach Level 20
Underground Subway 15 []
Discover all 30 Teleporting Outhouses
Menu Hero 10 []
Dispense the Good, Vanquish the Evil
In the Game Settings Menu move the "Good" slider all the way to the right and the "Evil" slider all the way to the left to unlock this achievement.
Take Back The Knight 25 []
Kill Lord Von Prong