Upgrade any weapon to the next level

Rip apart 1 Olympus Sentry

Escape the hideout.

Kill 10 enemies while remaining in conflict without being hit.

Finish the game in Normal Mode

Defeat 70 enemies with the M4

Defeat 50 enemies with the Dragon Sniper

Defeat 20 enemies with the Pistole

Defeat 50 enemies with stealth attacks

Defeat 70 enemies with the FAL

Find ten treasures

Defeat 30 enemies with Mk-NDI grenades

Defeat 50 enemies with hand-to-hand combat