Kill five enemies in a row with headshots

Find five treasures

Finish the game in Easy Mode

Defeat 50 enemies with the Micro - 9mm

Defeat 50 enemies with stealth attacks

Defeat 20 enemies with the Pistole

Defeat 100 enemies with headshots

Find 20 treasures

Defeat 50 enemies with hand-to-hand combat

Find ten treasures

Defeat ten enemies in a row with hand-to-hand combat

Earn 21 stars in Special Ops.

Kill a Juggernaut in Special Ops.