Kill 30 Enemies with the Mk-NDI

Find 40 Treasures

Kill 30 Enemies with the G-MAL

Kill 5 Enemies in a Row with Headshots

Find 20 Treasures

Defeat 20 Enemies with Hand-to-Hand Combat

Kill 75 Enemies in a Row Without Dying

Kill 50 Enemies with the M32-Hammer

Kill 50 Enemies with the SAS-12

Kill 30 Enemies with the Moss-12

Kill 30 Enemies with the Wes-44

Activate a Tweak

Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire