Payback 2: The Battle Sandbox, a Grand Theft Auto-like iOS game from Apex Designs, is now free for iOS through iTunes.
Described as "Grand Theft Auto meets Quake 3 Arena," Payback 2 is an open-world, action based game with nine modes, fifty career events and dozens of weapons and cars. Players can unlock new modes and episodes through in-app purchases. The game was originally released in October 2012 for $6.99. A free, shareware version of the game went live on the App Store in November 2012.
Payback 2 requires iOS 4.3 or later and is compatible with iPhone, iPod Touch and iPad. You can purchase it through the App store.