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