Defeat 30 enemies with the Desert - 5

Defeat ten enemies in a row with a single punch, after softening them up with gunfire

Complete one Competitive Multiplayer game

Find all 100 treasures

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

Defeat 50 enemies with the Micro - 9mm

Defeat 250 enemies with headshots

Find 60 treasures

Defeat 30 enemies with the Wes - 44

Find 50 treasures

Finish the game in Normal Mode

Defeat 50 enemies with stealth attacks