Finish the game in Hard Mode

Defeat 30 enemies with the Desert - 5

Find 90 treasures

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

Defeat 50 enemies with the Dragon Sniper

Defeat 20 enemies with the Pistole

Defeat 70 enemies with the FAL

Find 60 treasures

Find 50 treasures

Finish the game in Easy Mode

Find 40 treasures

Defeat 50 enemies with stealth attacks