The Bureau achievements

Complete DaSilva's perk tree without choosing Lift, Drone, or Mind Control

Take a level 5 agent of every class into the field within a single Hangar 6 R&D campaign

Beat Hangar 6 R&D without firing any alien weapons

Destroy 60 enemies with DaSilva's Demo Charges within a single Hangar 6 R&D campaign

Have Mind Controlled enemies get a total of 15 kills within a single campaign

Beat the game on Commander difficulty without ever changing it

Use all of the agent and player abilities in the field within a single campaign

Complete all Investigations in the base within a single campaign

Complete an entire Operation without the player firing a weapon or using a grenade

Defeat all the Outsiders before escaping on the Skyranger

Finish off 20 aliens using melee attacks within a single campaign

Complete the game without a single agent bleeding out