# Multiplayer levels
Get a bronze or better medal in a single player level to unlock it in Multiplayer mode.
# Unlockables
Get the indicated number of silver medals to unlock the corresponding bonus:
Art: 4 silver medals
Sepia Vision: All silver medals
Sketch Vision: 12 silver medals
Zombie Vision: 1 silver medal
# Event buttons
Use the "Event" button on the indicated stage to get the corresponding result(s):
Cemetery: Divine ray kills zombies.
Drive-In: Play music that makes zombies dance briefly.
Military Base: Line of TNT drops down.
Secret Lab: Three lasers rotates around the middle of the level that will kill everything.
Suburbia: UFO abducts zombies.
Woods: Rain slows down zombies; torch is extinguished and cannot set zombies on fire, but can still scare them; zombies that are already on fire remain burning.
# Trophies
Successfully complete one of the following tasks to get a trophy:
Extinction (Bronze): 100,000 Zombies killed.
Paint The Town Red (Bronze): Fill the screen with the maximum amount of blood on any level.
Red Shirt (Bronze): Kill the away team Zombie.
Hot To Trot (Bronze): Last 30 seconds with 50+ zombies on fire.
Murder On The Dance Floor (Bronze): 1000 Zombies sent dancing.
Brain Surgery (Bronze): 100 Brains sucked.
Texas Style (Bronze): 100 Chainsaw Combos.
Dynami-Te-He (Bronze): 1000 Zombies blown up.
Graduation (Bronze): Complete Zombie Academy.
Tourist (Bronze): All Arcade levels unlocked.
d6 Commends You (Bronze): All Bronze medals.
d6 Respects You (Bronze): All Silver medals.
d6 Admires You (Bronze): All Gold medals.
Friend of Bruce (Silver): All levels unlocked.
Friend of d6 (Gold): All Developer medals.
The following trophies require the "In Space" bonus downloadable content:
No Time To Bleed (Bronze): Get 100 Gatling Gun combos on the Engine Room.
Transporter Accident (Bronze): Transport 1000 Zombies off the Mothership Bridge.
Top Ten (Silver): Beat ten of your friends in any leaderboard on either the Engine Room or Mothership Bridge.
Extreme Survivor (Silver): Survive 5 minutes with one life in Survival mode on Extreme difficulty on either Engine Room or Mothership Bridge.
The following trophies require the "Zombie Sushi" bonus downloadable content:
This Is My Boomstick (Bronze): 100 Shotgun combos on either the Shrine or Castle.
1.21 Jigawatts (Bronze): Electrify 1000 Zombies on the Shrine.
Top Ten (Silver): Beat ten of your friends in any leaderboard on either the Shrine or Castle.
Extreme Survivor (Silver): Survive for 5 minutes with one life in Survival mode on Extreme difficulty on either the Shrine or Castle.