Perfect Dark Zero
50 Achievements
1,000
60-80h
Xbox 360
Xbox One
Xbox Series
5 Co-op Missions On Dark Agent
Completed Five Co-op Missions On Dark Agent
25
How to unlock the 5 Co-op Missions On Dark Agent achievement in Perfect Dark Zero - Definitive Guide
Refer to "1 Solo Mission On Dark Agent" for information on unlocking the Dark Agent difficulty. This can be done locally or online. Five of the easiest missions in the game are:
Mission 00- Datacore
Mission 05- Laboratory
Mission 06- River
Mission 07- Trinity (Infiltration)
Mission 12- Bridge
Note: Mission 13 (Arena) does not count.