Payback 2 is a 2012 mobile online multiplayer action game developed and published by Apex Designs Entertainment Ltd. It is the sequel to the 2001's Payback, and was released on 4 October 2012 for iOS, became free-to-play in 2013, and was released for Android on 10 October 2014 under the title Payback 2 - The Battle Sandbox. Wikipedia