Space Invaders Extreme
A must have game!
Absolutely amazing update to the series. Do not overlook this fantastic title based on name alone otherwise you'll miss out on what is already one of 2008's best games so far. The music and beat mechanics of Rez and place them into a supercharged updated version of Space Invaders with combos, insane power ups and some nifty visuals and you have one incredible game. DS or PSP, buy it.