Jump through 10 windows

Kill at least 3 enemies with one explosion

Get a 10x combo

Get a 20x combo

Get a 50x combo

Kick a frying pan in to the face of an enemy

Kick a skateboard in to the face of an enemy

Kick a Gas Canister in to the face of an enemy

Stick a knife in to an enemy

Kill enemy by ricocheting bullet off frying pan

Juggle basketball 10 times without it touching anything

Kill an enemy using a barrel

Flip 10 tables

Dodge 1000 bullets

Kick enemies 100 times

Kill 500 enemies

Kill 1000 enemies

Kill 2000 enemies

Get an S-rating

Get S-rating on 10 levels

Get S-rating on 25 levels

Get S-rating on all levels

Complete a level without firing a weapon

Finish chapter "Old Town"

Finish chapter "District Null"

Finish chapter "Pedro's World"

Finish chapter "The Sewer"

Finish chapter "The Internet"

Finish the game