Defeat five Riot Shield enemies by running over their shield

Defeat 75 enemies in a row without dying

Defeat five enemies in a row with headshots

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

Finish the game in Crushing Mode

Defeat 30 enemies with the RPG - 7

Throw back a grenade and defeat two enemies at once

Defeat 30 enemies with the PAK-80

Defeat 50 enemies with stealth attacks

20 times in a row, pick up ammo while rolling

Kill 10 enemies with thrown-back grenades

Defeat ten enemies with propane or acetylene tank explosions