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