Here is the full list of all 21 WASTED achievements.
Convinced the BEEZ to help themselves.
Defeated the Coyote.
Killed someone while stuck in a bear trap.
Witnessed an enemy mutation.
Got killed by a Mutapupa.
Finished the quest "In Dick's Shadow."
Got killed for the first time.
Got a Hangover for the first time.
Defeated Purifier Starr.
Found the Alistair VI.
Wore all three types of fanny packs at the same time.
Defeated an S.O.B. Purifier.
Welcome to the Western Wastes.
Convinced the BEEZ to begin recruitment.
Convinced the BEEZ to start dating around.
Sided with the New Skeleton Army.
Sided with the Syndicate of Buzzkills.
Sided with... uh...
Finished the game.
Got through an entire floor of the Cooler without alerting anyone.
Defeated Master Y.