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