Overrun
20Complete Operation A
Switched On
20Complete Operation B
Switched Off
20Complete Operation C
Evacuated
20Complete Operation D
Terminated
20Complete Operation E
Keep all Wolverines intact in Operation A, Mission 3
Finish the mission without any Jackal regenerating its shield in Operation B, Mission 3
Kill a convoy target with every stationary gun in Operation C, Mission 3
Brute Force
20Finish the objectives using only the Brute Shot, melee and grenades in Operation D, Mission 1
Foot Soldier
20Finish the objective without using any vehicles/turrets in Operation E, Mission 4
Recruit
10Earn a star of any type in an operation mission
Prodigy
10Earn your first Gold star in an operation mission
117
60Earn all Gold stars in all operation missions
Pension Plan
20Earn 25000 XP throughout your career
Earn all medals in the campaign at least once
Score a kill with every handheld weapon in the campaign
Use every ability in the campaign at least once
Skull Combo
20Complete any campaign mission with the maximum number of Skulls active
Complete Operation E, Mission 1 with the Hollow and Black Eye Skulls active
Extra Credit
30Complete all campaign mission specific Assault Ops
Archeology
20Complete Operation F
Silvertip
20Destroy all Mega Turrets with the Grizzly tank in Operation F, Mission 2
Complete Operation F, Mission 4 with the Blind and Thunderstorm Skulls active
Flooded
60Complete all co-op missions
Overachiever
100Earn all co-op medals at least once
Dynamic Duo
60Earn all Gold stars in all co-op missions
Kill 10,000 enemies in co-op
Immune
100Finish a co-op mission without becoming infected
Complete a co-op mission with at least 5 different players
Get a higher individual score than your partner on all co-op missions