Here is the full list of all 15 Alpha Hole Prison Demo achievements.
Sit near Max
Sit near Reaver
Keep a good thing going
Xenoskar: Please join me, Miguel.
Get killed for stealing
Stumble on a crime scene
Pick an unorthodox protector
Sit near Verataz
Scream for someone
Threaten to Turn Someone In
Consider making an impression
Don't pick a protector in time
Be hesitant to commit to a god
Sit near Rexilllator
Get sentenced