Undead Hunter

Kill 100 zombies

25 Gamerscore

Killing Spree

Kill 200 zombies

50 Gamerscore

I Really Don't Like Zombies

Kill 500 zombies

75 Gamerscore

Wiseguy Whacker

Kill 150 Mafiosi

50 Gamerscore

German Hunter

Kill 200 German soldiers

50 Gamerscore

Guillotine Master

Kill 75 enemies with headshots

50 Gamerscore

Chop Shop

Destroy 15 vehicles

25 Gamerscore

Sweet Tooth

Eat 50 cannoli

50 Gamerscore

Swinging Balls

Kill 5 ball-and-chain zombies in mid air

50 Gamerscore

Timber

Kill 100 enemies with the chainsaw

50 Gamerscore

When Blood Hits The Fan

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

50 Gamerscore

The Widowmaker

Defeat the U-boat

25 Gamerscore

Tanks A Lot

Defeat the Tank boss

75 Gamerscore

Drop The Ball

Defeat the German Commander Boss

50 Gamerscore

The Last Don

Defeat the end boss

100 Gamerscore

No Loitering!

Simultaneously kill 5 enemies with the rocket launcher

25 Gamerscore

Mindblowing

Consecutively kill 20 units with headshots

75 Gamerscore

Homerun

Survive the Raid using only the baseball bat

50 Gamerscore

Quick Draw

Finish the Thugtown level, using only the pistol

50 Gamerscore

For Whom The Bell Tolls

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

25 Gamerscore