Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)

Kill 150 enemies using Analog Fighting controls.

Use a hammer to kill a series of 15 zombies without taking damage.

Play with 10 different co-op partners for at least 15 minutes each.

Defeat 50 enemies with hand-to-hand combat

Rescue Alissa and complete the game.

Complete 5 quests with 3 co-op partners.

Ranked up for the first time.

Find 15 collectibles in the Campaign

Experience all 3 endings in the Campaign

Complete the Suez mission in the Campaign

Sacrifice Hannah to save the Valkyrie in the Campaign

Let the Valkyrie be destroyed in the Campaign