Defence Zombies is an Android app developed by chyi (香港薄扶林道香港大學). Others apps created by chyi are: Defence The Beach.

Defence Zombies first became available on 20 Sep 2013. It is estimated that Defence Zombies has been downloaded between 100000 and 500000 times from the Play Store.

Defence Zombies 2.0.0 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows applications to open network sockets.

Allows an application to read from external storage.

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.