Defeat enemies with a stealth attack, melee attack, headshot, and explosives, in that order, in 15 seconds

Defeat 10 enemies in a row, alternating gunplay and hand-to-hand

Drive away in the jeep with Elena without killing any enemies

Find all Treasures

Find the Strange Relics

Complete the game in explorer mode

Complete the game in moderate mode

Complete the game in crushing mode

Use every weapon in the game

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Make 10 enemies drop their grenades

Perform 20 headshots from the rope

Play in the ocean near the sunken ship