Here is the full list of all 26 Pound of Ground achievements.
Make a zombie fly over 33m with your baseball bat.
Blow up the first generator on the farm without killing ANY zombies on the way.
Finish the Game on Hard Difficulty. Don't be a wimp!
Kill 5 hyenas with a dynamite.
Tune up your car to the max.
Kill 15 zombies within 25 seconds using your firearms only.
Perform car jumps with total distance of 3.14159265 km.
Find the Indian drug dealer.
Kill 4 zombies with a single crossbow shot.
Throw 26 dead zombies under water.
Kill 911 zombies with your weapons or your car.
Run 192 zombies over with your car.
Exterminate the Mafia family.
Collect 1111 coins.
Clear the Airport location and save all the hotties!
Kill 68 zombies using any weapons without curing yourself.
With a handgun kill 6 zombies without reloading.
Kill 66 stunned zombies with your baseball bat.
Find the guitar case.
Fight your way through the first underground while using only the baseball bat.
Make the zombies fly over the total of 1212m with your baseball bat.
Kill at least 10 zombies by shooting the explosive barrel.
Hit the speedometer limit.
Perform a car jump over more than 172m.
Locate your red car.
Reach the game's end within 5 minutes. Yes, MINUTES!