Defeat 30 enemies with Mk-NDI grenades

Defeat 50 enemies with the Dragon Sniper

Defeat 20 enemies with a single punch, after softening them up with gunfire

Defeat 20 enemies with gunfire by aiming while hanging

Find ten treasures

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

Defeat three enemies with one explosion

Defeat 20 enemies with hand-to-hand combat

Kill 20 enemies melee-attacking from behind

Find the Strange Relic

Kill 50 enemies in a row without dying

Kill 10 enemies by aiming while hanging from a ledge