Stealth take-down 10 armored enemies with melee by first removing their helmets without being detected

Defeat 20 enemies firing from-the-hip

Listen to all optional conversations

Complete the Game

Find all the treasures

Open every lockbox

Take a photo at all the photo opportunities

Find 35 treasures

Break stealth and re-enter stealth successfully

Unlock all trophies

Keep the Gold

Three points!