Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Boobsies Club Master	Complete level 3 as Stealth Master.
Call repairman	Sabotage ventilation system.
Chit-chat	Chat with street bum.
Ciccio's Spa Master	Complete level 4 as Stealth Master.
Dead end	Complete the game.
Death to dealers	Complete level 1.
Engineer	Shut down a metal detector.
Gardener	Start a lawn mower.
Got it	Complete level 5.
Grand theft auto	Trigger a car alarm.
Hunter	Shoot a bird.
Junkie	Kill a junkie.
Let's cook	Dress as lab worker.
Mad Marco's Master	Complete level 1 as Stealth Master.
No more science	Complete level 4.
Party hard	Get party invitation without a kill.
Poisoner	Poison a drink.
Rodent control	Shoot a rat.
Saboteur	Sabotage all security cameras in a level.
The Dungeon Master	Complete level 5 as Stealth Master.
The Kellers Master	Complete level 2 as Stealth Master.
The last dance	Complete level 3.
The party's over	Complete level 2.
True observer	Enter a secret observation room.
Vindict Hotel Master	Complete level 6 as Stealth Master.
What the?	Trigger police station upstairs alarm.
You asked for it	Kill a rat.