Full list of all 26 Party Hard achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Completed the game
Poisoned 100 people
Killed 50 stunned persons
Killed 1000 people
Killed person who runs to call police 20 times
Used traps 50 times
Killed 30 people without alarm in one level
Killed 20 people in row
Killed 15 people in row
Completed level with FBI
Killed 15 people with one car
Killed 10 people in a row
Escaped from cop
Started Party Hard
Play Party Hard 100 times
Hide 50 bodies
Pass level without traps 3 times
Escape cop 5 times
Die 100 times
Kill all robbers in Casino level
Lose level with 1 alive person
Complete all achievements
Get you ass kicked for dancing
Kill 50 persons with horse
Complete level in 3 minutes
Complete level without found body