You can save your game progress in iCloud, and restore the progress on another supported iOS device. Check that you're logged in to iCloud on your iOS device. If you need help setting up iCloud, please see the iCloud setup instructions.
In the Main Menu of the game, tap the Settings button and select iCloud settings. Select the iCloud Enabled -check box. When you start Zombie Catchers on another iOS device when you're logged in on your Apple ID, the game will prompt you to restore the latest progress from iCloud. Please note that it may take up to 1 minute from game launch on the new device to establish connection to iCloud and check whether a more recent saved game exists.