It drove you bonkers in the arcades. Now this mixed-up marble marathon is ready for your home computer! The challenge is to roll your marble to the hidden Goal Line on multiple treacherous 3-D raceways. Every corner's a cliffhanger. And every second counts! Each raceway is a unique maze of tricky terrain and marble menaces. Can you stay in control as you hunt for the goal? You'll teeter up, down and around narrow ramps and ridges. Sneak past hungry Marble Munchers. Battle nasty Steelies for the right of way. It's enough to make you lose your marbles! You'll be right on the edge to the very last edge!