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