Beat 'Chapter 7 - Stay in the Light' in less than 9 minutes 30 seconds

Kill 30 Enemies with the PAK-80

Kill 30 Enemies with the Tau Sniper

Kill 30 Enemies with the Mag 5

Defeat 20 Enemies While Swimming

Hit 3 Enemies with Fish in the Market

Throw Back a Grenade and Defeat 2 Enemies at Once

Defeat 30 Enemies in a Row with Your Side Arm

Kill 50 Enemies by Melee-Attacking from Behind

Kill 10 Enemies with Grenades While Hanging

Find all Treasures and the Strange Relic

Find 80 Treasures