Kill 100 Enemies with Headshots

Kill 30 Enemies with the T-Bolt Sniper

Kill 30 Enemies with the KAL-7

Kill 20 Enemies with Gunfire While Hanging

Defeat 20 Enemies by Blind-Firing While in Cover (without aiming)

Kill 20 Enemies with Headshots

Kill 75 Enemies in a Row Without Dying

Find 1 Treasure

Finish the Game on Normal Without Changing the Difficulty

Kill 50 Enemies by Melee-Attacking from Behind

Kill 50 Enemies with the Dragon Sniper

Kill 50 Enemies with the M4