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

Play in the Swimming Pool on the Cruise Ship

Kill 20 Enemies with Gunfire While Hanging

Find 20 Treasures

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

Kill 5 Enemies in a Row with Headshots

Find 1 Treasure

Finish the Game on Easy Without Changing the Difficulty

Kill 20 Enemies with Gunfire While Hanging

Kill 50 Enemies with the M4

Kill 100 Enemies with Headshots

Find 20 Treasures

Kill 75 Enemies in a Row Without Dying