Galactic Taz Ball for the Nintendo DS contains two worlds with completely different gameplay mechanics. The Overworld is an action-style 3-D game playable on the Nintendo DS top screen with unique track ball controls using the Nintendo DS-stylus on the bottom screen. When Taz moves fast enough he becomes a tornado that can destroy objects and enemies. The Underworld is a side-scrolling puzzle game played on the bottom touch screen in which Taz navigates a maze of active machinery and gadgets. Both worlds combine for a unique...