Travel a distance of 20 kilometers on foot.

Kill a zombie with 10 different melee weapons.

Create a customized weapon.

Killed the 2 soldiers before the building fell on them in Uprising

Completed the campaign story

Captured Al Bashir

Destroyed 6 enemy tanks before reaching the fort in Thunder Run

Found the nuke

Received all 4 weapon efficiency ribbons

Defeat Zeus

Awaken the Phoenix

Collect all the Gorgon Eyes