Defeat the Brawler in the Post Office in under 2 minutes

Fully upgrade one weapon in Campaign Mode

Make Santa and his reindeer fly

Finish the game in Normal Mode

Defeat 30 enemies with the M9

Throw back a grenade and defeat two enemies at once

Find 20 treasures

Defeat 30 enemies with the KAL 7

Defeat 20 enemies with gunfire by aiming while hanging

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

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with headshots

Find one treasure