Defeat 50 enemies with stealth attacks

Find ten treasures

Defeat 30 enemies with Mk-NDI grenades

Defeat 50 enemies with hand-to-hand combat

Defeat ten enemies in a row with hand-to-hand combat

Slayer of Demon “Fool's Idol”

Slayer of Demon “Adjudicator”

Slayer of Demon “Armor Spider”

When you successfully catch someone forgetting to call UNO in tournament.

When you first call UNO in tournament.

First time you invite your friend to play with you.

Defeat 100 enemies with Force Repulse

Kill a zombie using an environmental hazard in any game mode