When you encounter large groups of zombies or have ran and have a lot of them following, use the following trick to deal with them. Look for a nearby vehicle and sprint to it. Jump on top of it and crouch on the hood. While there you can still hit the zombies. Note: Do not do this on the roof of the vehicle; you will not be able to hit them, and they can still hit you rarely. Note: Use the analog style of fighting to do more decapitations and swing your weapon faster.