Kill 100 Enemies with Headshots

Kill 20 Enemies with a Single Punch After Weakening Them with Gunfire

Kill 20 Enemies with Gunfire While Hanging

Find 20 Treasures

Defeat 50 Enemies with Hand-to-Hand Combat

Kill 75 Enemies in a Row Without Dying

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Normal Without Changing the Difficulty

Kill 50 Enemies with the 92FS - 9mm

Kill 50 Enemies with the M4

Kill 100 Enemies with Headshots

Kill 20 Enemies with the Desert - 5

Kill 30 Enemies with Mk-NDI Grenades