Unlock the mayor's White Limousine.
Unlock the police squad car.
Unlock the military prototype super car.
Move to the harbor base.
Progress to the train station base.
Progress to the airport base.
Complete the game.
Kill 3000 zombies in a single mission.
Fully upgrade one car.
Fully upgrade all weapons.
Make a 10 000 points combo.
Finish the game without buying any car upgrades.
Earn your first Slaughter mode medal.
Drive the Taxi, Sports Car, Limousine, Police Car, Ambulance, Bus and the Super Car in Slaughter mode.
Unlock Harbor, Midtown, City Center, Park and Suburbs arenas in Slaughter mode.
Kill 100 zombies in a single game in Slaughter mode.
Kill 500 zombies in a single game in Slaughter mode.
Kill 2000 zombies in a single game in Slaughter mode.
Kill 10000 zombies in Slaughter mode.
Kill 50000 zombies in Slaughter mode.
Destroy 1500 destructibles in Slaughter mode.
Destroy 5000 destructibles in Slaughter mode.
Destroy 666 destructibles in Slaughter mode.
Kill 30 zombies with a single railgun shot.
Light 25 zombies on fire at once.
Kill 20 zombies with the back of your car in one combo.
Burn 1000 zombies in Slaughter mode.
Detonate 3 exploding zombies with a single rocket shot.
Get all car upgrades in a single game in Slaughter mode.
Get all weapon upgrades in a single game in Slaughter mode.
Earn at least bronze medal on Harbor, Midtown, City Center, Park and Suburbs arenas in Slaughter mode.
Earn at least silver medal on Harbor, Midtown, City Center, Park and Suburbs arenas in Slaughter mode.
Earn a gold medal on Harbor, Midtown, City Center, Park and Suburbs arenas in Slaughter mode.
Earn your first Blood Race mode medal.
Finish the Beginners' Tournament in the Blood Race mode.
Finish the Rookies' Tournament in the Blood Race mode.
Finish the Drivers' Tournament in the Blood Race mode.
Finish the Pro Racers' Tournament in the Blood Race mode.
Finish the Zombie Drivers' Tournament in the Blood Race mode.
Unlock the Muscle Car in the Blood Race mode.
Change the look of your car in Blood Race mode.
Unlock all car skins in the Blood Race mode.
Kill your first enemy in the Blood Race mode.
Kill 3 enemies with a single railgun shot in the Blood Race mode.
Kill 100 enemies in the Blood Race mode.
Survive for more than 2:30 in an Endurance event in the Blood Race mode.
Kill 30 enemies during an Eliminator event in the Blood Race mode.
Be the first on the finish line in a Race event in the Blood Race mode.
Get gold medals in every event in the Blood Race mode.
Win a gold trophy in all tournaments in the Blood Race mode.
Make a barbecue of 20 zombie dogs in a single slaughter mode match.
