Defeat Die Jaeger by yourself in an offline mission or hosted online mission.

Clear Chapter 3.

Defeat a total of 1,000 enemies.

Defeat Charon for the first time and then clear a mission.

Clear a Timed Survival mission for the first time.

Clear a Fetch mission for the first time.

Clear Chapter 1.

Defeat a total of 100 enemies.

Use Enami for the first time and clear a mission.

Clear a Destination mission for the first time.

Use Sayuri for the first time and clear a mission.

Attack a zombie's weak point for the first time.