BioDefense HD for the iPad and BioDefense: Zombie Outbreak for the iPhone have recently been updated to version 2.0. The game is better than ever and worth checking out if you enjoy real-time strategy or tower defense titles.
The gameplay consists of building electricity nodes through resource gathering and purchases, as well as expansion of territories in an RTS-fashion. At the same time you must defend your base and structures from a wide variety of zombie types who attack in waves. You have to defend the base by building structures with some attacking or firing abilities. The electricity nodes power these structures.
According to the app description, Dohi Entertainment has acquired Resolution Interactive and now owns the rights to this game. The description states this is part of an ongoing effort to improve and update the newly-acquired iOS games. Here is a list of the new features the game now offers:
Polished user interface Various bug fixes Speed and device optimizations Updated graphic components More games tips Added iPad support
Check the game out if you enjoy tower defense and real-time strategy.