As Arthur, give 15 different commands to your allies

In the battle of El Alamein, get twice as many kills as Des during the final defend

In the Rats of Tobruk, bring down the Stuka with a pistol, grenade, or rocket

In The Rats of Tobruk, lead the Rats through the desert without getting detected

In Campaign, scavenge ammo from 15 enemy corpses within 3 seconds of killing them

As Wade, kill 15 enemies using his focus ability

Reach level 55 in Multiplayer

Reach max level with a weapon (base game weapons only)

Eliminate 10,000 zombies

While using the Aether Shroud Artifact, enter the Aether Shroud 5 times with less than 25% health

Eliminate 10 zombies while your damage is increased by the Ring of Fire Artifact

Sacrifice 13 Hearts

Equip 3 Covenants