Completed Chapter 1.

Killed an enemy while using peek and lean in the Campaign

Kill 20 enemies with the Desert - 5

Kill three enemies with one explosion five times

Kill 10 enemies by aiming while hanging from a ledge

Kill five enemies in a row with a single punch, after softening them up with gunfire

Kill 20 enemies with a brutal combo

Kill five enemies in a row with a brutal combo

Finish the game in Normal Mode

Kill 50 enemies with the SAS - 12

Kill 30 enemies with the Dragon Sniper

Kill 30 enemies with the MP40

Kill 50 enemies with the Moss - 12