Level up to Rank 5

Complete Cause and Effect

Perform a melee kill while you're in Overkill

Make your first kill as a rookie (in Cause and Effect mission)

In Origins, share a weapon you dug up.

Hunt down Almagro. (Complete "Legends Never Die" on any difficulty.)

A-10 strafe 50 enemies

Make it to San Diego. (Complete "No Man's Land" on any difficulty.)

Rendez-vous in Fort Santa Monica. (Complete "Brave New World" on any difficulty.)

Perform a Level 3 Super with Kratos on 'Hades'

In Buried, acquire a perk for free.

Equip a rare (yellow) item.

Kill the Skeleton King in Normal mode.