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