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

Kill 50 enemies in a row without dying

Find all 60 treasures

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

Kill 20 enemies melee-attacking from behind

Get all of the Beatles Photos.

Finish all 8 Chapter Challenges.

Kill 50 enemies with the Moss - 12

Kill 30 enemies with the M79

Kill 10 enemies by aiming while hanging from a ledge

Finish the game in Normal Mode

Find 50 treasures