The best PSP games reflect just how ahead of the game Sony was in 2004. Going up against Nintendo's 3DS was never going to be easy for the manufacturer, although it had faced stiffer odds in the home console market years before. With its multimedia UMD cartridges and a selection of fantastic launch games, including Lumines and Metal Gear Acid, the PSP steadily transformed the commute for any player who was willing to take a gamble on this portable powerhouse. Over the years, the PSP carved out its own space in the handheld scene.