Whodunit?
Not unlocked yetTake out an enemy that's investigating an enemy body.
Master Baiter
Not unlocked yetBait an enemy by talking nonsense, then take them out.
Good Vocals
Not unlocked yetBait an enemy with your microphone, then take them out.
Sweet Dreams
Not unlocked yetChoke an enemy out.
Rude to Interrupt
Not unlocked yetKnock a startled enemy out
Knock-knock...
Not unlocked yetKnock an enemy out with a door bash.
Death Metal
Not unlocked yetKill someone with the shrapnel from a frag grenade.
Lucky Shot
Not unlocked yetKill 3 enemies with guns under 5 seconds.
Somebody Stop Me!
Not unlocked yetKill 6 enemies with guns in under 5 seconds.
Room Clearing Service
Not unlocked yetKill 5 enemies with a shotgun in 10 seconds.
Beginner Tactician
Not unlocked yetKill 3 (or more) enemies with a single frag grenade.
Precious Explosives
Not unlocked yetKill 5 (or more) enemies with a single frag grenade.
Perfect Opportunity
Not unlocked yetKill 8 (or more) enemies with a single frag grenade.
Collateral Damage
Not unlocked yetHave a flashbanged enemy accidentally kill his own friend.
Out of Their Misery
Not unlocked yetNeutralize someone while they are under the effect of a flashbang.
How Do I Shot Web?
Not unlocked yetKill yourself with your own frag grenade.
Illusion of Safety
Not unlocked yetHave your frag grenade shrapnel kill you.
Melted Ice-cream
Not unlocked yetOver-cook a frag grenade.
Paparazzi
Not unlocked yetOver-cook a flash grenade.
...who's there?
Not unlocked yetGet killed by a door bash.
Ghost
Not unlocked yetComplete a level without being detected.
Pacifist
Not unlocked yetComplete a level without killing anyone.
Electro
Not unlocked yetComplete a level whilst using naught but the Taser.
Pugilist
Not unlocked yetComplete a level unarmed.