Here is a fun homebrew game for your PSP.� PSP developer Zharikov Vitalik has updated the game bringing it to version 1.1.� The updated version offers players with better stability for your PSP.� There have also been some enhancements made to the gameplay.� So if you love zombie games or are just a fan of homebrew for your PSP be sure to check out the latest version of Zombie Infection. � Source