Here is the full list of all 15 ANONYMOUS AGONY achievements.
Why did you pick that name anyway...?
Got the sh** saved out of you by Brian.
Watched the File #0 prologue.
--Bounty hunter. And her...maid?
Ruined Lili's nap.
Um...? Excuse me? What...???
Fiona decided to paint you because you're "beautiful". Fiona is most likely blind. Be nice.
Happy Birthday Craig! You gave away your blender because you were a jerk.
Juno added you on Free Flow. I have a stalker...? You get an odd sense of Deja-Vu...
You decided to murder Eliot K. With a pen.
You decided to murder Eliot K. With scissors.
You decided to murder Eliot K. With the baseball bat.
Haze threw Dr. Edwin through the hall window.
...and he did it again...
Don't ask, don't tell.