Find 50 treasures

Find the Strange Relic

Finish the game in Easy Mode

Finish the game in Hard Mode

Defeat 30 enemies with the Desert - 5

Defeat 50 enemies with the Dragon Sniper

Defeat 70 enemies with the M4

Defeat 50 enemies with stealth attacks

Defeat 20 enemies with gunfire by aiming while hanging

Find 20 treasures

Defeat three enemies with one explosion

Defeat 50 enemies with hand-to-hand combat