Burn Zombie Burn!

Extinction

100,000 Zombies killed.

Paint The Town Red

Fill the screen with the maximum amount of blood on any level.

Red Shirt

Kill the away team Zombie.

Hot To Trot

Last 30 seconds with 50+ zombies on fire.

Murder On The Dance Floor

1000 Zombies sent dancing.

Brain Surgery

100 Brains sucked.

Texas Style

100 Chainsaw Combos.

Dynami-Te-He

1000 Zombies blown up.

Graduation

Complete Zombie Academy.

Tourist

All Arcade levels unlocked.

Friend of Bruce

All levels unlocked.

d6 Commends You

All Bronze medals.

d6 Respects You

All Silver medals.

d6 Admires You

All Gold medals.

Friend of d6

All Developer medals.

BZB: In Space - No Time To Bleed

Get 100 Gatling Gun combos in the Engine Room.

BZB: In Space - Transporter Accident

Transport 1000 Zombies off the Mothership Bridge.

BZB: In Space - Top Ten

Beat ten of your friends on any leaderboard in an In Space level.

BZB: In Space - Extreme Survivor

Survive 5 minutes with one life in Survival mode on Extreme difficulty in an In Space level.

BZB: Zombie Sushi - This Is My Boomstick

100 Shotgun combos in a Zombie Sushi level.

BZB: Zombie Sushi - 1.21 Jigawatts

Kill 1000 Zombies with the lightning strike.

BZB: Zombie Sushi - Top Ten

Beat ten of your friends on any leaderboard in a Zombie Sushi level.

BZB: Zombie Sushi - Extreme Survivor

Survive 5 minutes with one life in Survival mode on Extreme difficulty in a Zombie Sushi level.