Here is the full list of all 10 Deceit 2 achievements.
Win as Innocent
Win as Infected
Activate any Mutation
As Innocent, vote out an Innocent
As Innocent, vote out 10 Infected players
As Infected, vote out 5 Innocent players
Use Favour to unlock a cosmetic from the Emporium
Open the exit door
Execute 50 players as any Terror
Complete 1,000 tasks