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