Here is the full list of all 12 Priest Simulator: Heavy Duty achievements.
Turn it on
Bless 23 christianists/shatanists
Get the bonus for the perfect confession
Kill 44 shatanists
Get 23 "Road Jacks"
Put 3 buckets on shatanists' heads
Knockout 93 shatanists using telekinesis
Finish an exorcism
Get 23 donations from Christians
Finish it
Clean 23 graffittis
Finish your daily routine