Defeat 20 enemies with the Pistole

Find 40 treasures

Finish the game in Easy Mode

Defeat 50 enemies with stealth attacks

Defeat 70 enemies with the M4

Defeat 100 enemies with headshots

Defeat 30 enemies with Mk-NDI grenades

Find ten treasures

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with headshots

Find one treasure

Complete all missions on any difficulty level without dying