The popular iPhone, iPod Touch, and iPad App Store developer, Halfbrick, has released a trailer for their upcoming game, Age of Zombies. Age of Zombies is a dual stick shooter that started its life earlier this year on the PSP Mini, and was reviewed quite well. Apparently, it will be released in just 2 days as a universal app and will feature new graphics, controls, and content that’s not found in the PSP Mini version. As of now, the price is not known, however, I wouldn’t expect it to be more than $2.99. Here’s the trailer: