Kill 10 enemies with grenades by aiming while hanging from a ledge

Find 30 treasures

Kill 50 enemies with the Moss - 12

Kill five enemies in a row with a brutal combo

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

Finish the game in Easy Mode

Kill 50 enemies with the 92FS - 9mm

Kill 50 enemies with the SAS - 12

Kill three enemies with one explosion

Kill 50 enemies with the M4

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)

Kill 30 enemies with the M79