Kill 10 enemies with thrown-back grenades

Defeat four enemies with one explosion

20 times in a row, pick up ammo while rolling

Defeat 30 enemies with the RPG - 7

Successfully counter all of a Brute’s damage-giving attacks

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

Finish the game in Crushing Mode

Defeat 30 enemies with the Mag 5

Throw back a grenade and defeat two enemies at once

Defeat 50 enemies in a row without auto-reloading

Defeat 20 enemies while swimming

Defeat 30 enemies with the G-MAL

Defeat 100 enemies with headshots