Defeat 50 enemies with headshots

In Revelations, override all of the Corruption Engines before round 6.

Defeat 20 enemies with headshots

Find a Treasure

Complete the Uncharted Multiplayer Introduction

Complete the game with an S rank on "Inferno."

Fall for at least 3 seconds before landing on your head

Completed chapter 1.

Complete the game on "Nightmare" or higher.

Complete the game without opening the item box.

Complete the game using 1 or fewer recovery items.

Destroy all Charlie dolls.

Gather all the fuses in the warehouse within 5 minutes.