Defeat 250 Enemies with Headshots

Kill 30 Enemies with the M79

Kill 30 Enemies with Mk-NDI Grenades

Kill 5 Enemies with a Single Punch After Weakening Them with Gunfire

Kill 100 Enemies with Headshots

Kill 30 Enemies with the Wes-44

Take optional photo #5 in Episode 1: Chrysalis

Kill 20 Enemies with Gunfire While Hanging

Explore Photo Mode

Finish the Game on Normal Without Changing the Difficulty

Kill 30 Enemies with the Tau Sniper

Kill 30 Enemies with the G-MAL

Kill 30 Enemies with the M9