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