Complete the following tasks to unlock the corresponding achievement. To 
view your achievements and stats in Steam, select "Community", then "My 
profile", then "View all my games", then the game and view stats.

Achievement                  Description
-----------------------------------------------
Can't Kill Me...           - Resurrect at an Outhouse
Destroyer of Chickens      - Kill 100 Chickens
Extermination              - Destroy all 3 Queen Greems
Extracurricular Activities - Finish 50 side quests
I'm an Addict              - Drink 50 Potions
Justice Dispenser          - Kill 2500 Enemies
Man In The Hole            - Complete 6 spelunker quests
Menu Hero                  - Dispense the Good, Vanquish the Evil
Mr. Tough Guy              - Reach level 20
Take Back The Knight       - Kill lord von prong
The Day the Music Died     - Kill sergeant orque
Underground Subway         - Discover all 30 Teleporting Outhouses