【CAMPAIGN】Evade a Scagdead's instant-death attack.

【CAMPAIGN】Scan an enemy for the first time.

Purchase all skills in one category.

Complete the game.

Kill 40 enemies with the shotgun.

Kill 25 unaware enemies.

Kill 35 enemies with the pistol.

Find 25% of all documents.

Kill and loot 10 small animals (rabbits, chickens, rats).

In Buried, survive an entire round within the maze on round 20 or higher.

In Buried, drop the beat on 10 zombies in one game.

In Buried, acquire a perk for free.

In Buried, rewrite history.