Defeat 50 enemies with stealth attacks

Defeat ten enemies with propane or acetylene tank explosions

Find the Strange Relic

Finish the game in Normal Mode

Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks

Defeat five Riot Shield enemies by running over their shield

Throw back a grenade and defeat two enemies at once

20 times in a row, pick up ammo while rolling

Defeat 30 enemies with the SAS - 12

Find 60 treasures

Complete one Competitive Multiplayer game

Defeat 100 enemies with headshots