Here is the full list of all 14 Deceit achievements.
Reach max level.
Down a total of 1,000 players.
Personally kill all the Innocent as an Infected during a game.
Kill 10 Infected players as an Innocent.
Kill a total of 100 players.
Escape the asylum a total of 25 times.
Down three people whilst taking an objective.
Spend a total of 1 hour in the dark.
Get the most points in a game.
Complete a total of 50 objectives.
Execute two Innocent members as an Infected during one dark period.
Escape the asylum with all other Innocents in a game.
Customise a character.
Get the least points in a game.