Earn 25000 XP throughout your career
Earn all co-op medals at least once
Earn all Gold stars in all co-op missions
Complete all co-op missions
Get a higher individual score than your partner on all co-op missions
Complete Operation F, Mission 4 with the Blind and Thunderstorm Skulls active
Score a kill with every handheld weapon in the campaign
Earn all medals in the campaign at least once
Use every ability in the campaign at least once
Finish the objective without using any vehicles/turrets in Operation E, Mission 4
Destroy all Mega Turrets with the Grizzly tank in Operation F, Mission 2
Kill 10,000 enemies in co-op
Complete a co-op mission with at least 5 different players
Complete Operation F
Complete Operation E
Kill a convoy target with every stationary gun in Operation C, Mission 3
Complete any campaign mission with the maximum number of Skulls active
Complete Operation E, Mission 1 with the Hollow and Black Eye Skulls active
Finish the mission without any Jackal regenerating its shield in Operation B, Mission 3
Finish a co-op mission without becoming infected
Complete Operation D
Finish the objectives using only the Brute Shot, melee and grenades in Operation D, Mission 1
Complete Operation C
Complete Operation B
Complete Operation A
Earn your first Gold star in an operation mission
Keep all Wolverines intact in Operation A, Mission 3
Earn a star of any type in an operation mission
Earn all Gold stars in all operation missions
Complete all campaign mission specific Assault Ops