Kill 20 Enemies with Gunfire While Hanging

Kill 20 Enemies with Headshots

Successfully Counter all of a Brute's Damage-Giving Attacks

Find 1 Treasure

Finish the Game on Normal Without Changing the Difficulty

Find 20 Treasures

Kill 50 Enemies with the M4

Kill 30 Enemies with Mk-NDI Grenades

Kill 20 Enemies with the Pistole

Kill 75 Enemies in a Row Without Dying

Kill 20 Enemies with Headshots

Find 1 Treasure

Finish the Game on Easy Without Changing the Difficulty