Throw Back a Grenade and Defeat 2 Enemies at Once

Beat 'Chapter 20 - Caravan' in less than 15 minutes

Kill 30 Enemies with the G-MAL

Kill 30 Enemies with the Dragon Sniper

Defeat 50 Enemies in a Row Without Auto-Reloading

Kill 5 Enemies in a Row with Headshots

Find all Treasures and the Strange Relic

Kill 30 Enemies with the RPG-7

Kill 10 Enemies in a Row, Alternating Hand-to-Hand Combat and Gunfire

Find 80 Treasures

Discovered a strange metal flower.

Find 60 Treasures