Defeat 50 enemies with headshots

Find a Journal Note

Defeat 20 enemies with headshots

Hit all targets in the attic with the toy gun

Finish the Game on Normal Without Changing the Difficulty

Defeat 10 Enemies with Thrown-Back Grenades

Find 40 Treasures

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

Kill 30 Enemies with the Mk-NDI

Kill 20 Enemies with Gunfire While Hanging

Find 20 Treasures

Kill 20 Enemies with Headshots

Kill 5 Enemies in a Row with Headshots