Defeated Mariska.

Kill 500 zombies.

Destroyed 300 objects in the game.

Defeated Hazmat in Prologue.

Rescued all classmates in Prologue.

Finish the game in Normal Mode

Defeat 100 enemies with headshots

Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Defeat 30 enemies with the M9

Defeat 30 enemies with the Mk-NDI

Find 40 treasures

Make five enemies drop their grenade by shooting them

Defeat 20 enemies with headshots