Here is the full list of all 14 Shot In The Dark achievements.
Host a server.
Play in the Office map.
You got Shot In The Dark!
Knife someone for the first time.
Play in the Mark-E Jud-E's map.
Play in the Warehause map.
Play in the Light Arena map.
Play in the Club Marq map.
Play in the Soccer Field.
Play in the Casino map.
Enter the lobby.
Get 3 kills in one match.
Get 6 kills in one match.
Get 9 kills in one match.