Metal Slug XX

Game Description: Metal Slug XX for PlayStation Portable is the new addition to the beloved Metal Slug series that captures all the glory of the arcade experience and more. In it classic Metal Slug characters, as well as two from the King of Fighters series return to take on General Morden and his new and improved Rebel Army. Features include classic 2D gameplay, 70 unlockable missions, co-op multiplayer wireless support, the original Main Mission Story mode and a new Combat School ranking system.