In the Main Campaign, completed Lighthouse.

Finish the game in Hard Mode

Finish the game in Easy Mode

Find all 100 treasures

Defeat 30 enemies with the M9

Defeat ten enemies with propane or acetylene tank explosions

Defeat 30 enemies with the KAL 7

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 30 enemies with the Mk-NDI

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with headshots

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

Find 20 treasures