Scrunge

Undead Hunter

Kill 100 zombies

Killing Spree

Kill 200 zombies

I Really Don't Like Zombies

Kill 500 zombies

Wiseguy Whacker

Kill 150 Mafiosi

Nazi Hunter

Kill 200 German soldiers

Guillotine Master

Kill 75 enemies with headshots

Chop Shop

Destroy 15 vehicles

Sweet Tooth

Eat 50 cannoli

Swinging Balls

Kill 5 ball-and-chain zombies in mid air

Timber

Kill 100 enemies with the chainsaw

When Blood Hits The Fan

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

The Widowmaker

Tanks A Lot

Drop The Ball

The Last Don

No Loitering!

Simultaneously kill 5 enemies with the rocket launcher

Mindblowing

Consecutively kill 20 units with headshots

Homerun

Survive the Raid using only the baseball bat

Quick Draw

Finish the Thugtown level, using only the pistol

For Whom The Bell Tolls

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