DrR0Ck

No Loitering!

Simultaneously kill 5 enemies with the rocket launcher

The Last Don

Tanks A Lot

Drop The Ball

The Widowmaker

Sweet Tooth

Eat 50 cannoli

Timber

Kill 100 enemies with the chainsaw

Swinging Balls

Kill 5 ball-and-chain zombies in mid air

For Whom The Bell Tolls

Kill a German soldier by dropping the churchbell on top of him in the 'Killing Fields' level

Chop Shop

Destroy 15 vehicles

Mindblowing

Consecutively kill 20 units with headshots

Guillotine Master

Kill 75 enemies with headshots

Wiseguy Whacker

Kill 150 Mafiosi

Nazi Hunter

Kill 200 German soldiers

Undead Hunter

Kill 100 zombies

Killing Spree

Kill 200 zombies

I Really Don't Like Zombies

Kill 500 zombies

When Blood Hits The Fan

Have 20 enemies killed by propelling airvents in the 'Secret Base' level

Quick Draw

Finish the Thugtown level, using only the pistol

Homerun

Survive the Raid using only the baseball bat