Complete the following tasks to unlock the achievements.

Achievement	How to unlock	Points
Boom!	Set thousand zombies on fire with your grenade launcher.	2000
Clean Sweep	Shot 1,000 zombies with any shotguns.	2000
Conga Line	Make a ten zombie Combo kill.	1000
Double Tap	Shot 1,000 zombies with any pistols.	2000
Explorer	Unlocked all of the basic locations.	2000
First Blood!	Killed your first zombie!	500
He's behind you!	Rode 1,000m with a boss chasing you!	5000
I brake for no-one	Rode at least 5,000m in single run.	2000
Kangaroo	Jumped a total of ten cars.	1000
Massacre	Made a 100 zombie Combo kill.	5000
No Mercy	Killed a total of thousand zombies.	1000
Now I have a machinegun too	Shot 1,000 zombies with any rapid fire weapon.	2000
Public Transport	Jumped onto one bus.	1000
Reaper	Killed 1,500 zombies in a single run.	5000
Rise above the traffic	Jumped a total of 500 cars and 100 buses.	2000
Roadkill	Slid 75m after hitting an obstacle. Ouch!	2000
Run!	Rode at least 1,000m in a single run.	1000
See the world	Travelled a total of 40,075,160m.	5000
They're Everywhere	Killed a total of 100,000 zombies.	2500
Urban Pacifist	Rode at least 1,000m without a single kill.	5000
Wheelie Good	Rode for 500m in one go on one wheel.	1000