UPDATE(06-24-08): Daily 2nd, Thanks everyone!
Guide the ball to the exit by turning on /off sets of neon lights.
If the game is lagging, try launching it as a popup or click the quality and SpecialFX toggles. Auto-Graphics is on by default, if you find this annoying click the 'G' at the top of the game screen.
'1 Key' turns on Red
'2 Key' turns on Green
'3 Key' turns on Blue (when available)
'Space' resets the level
Graphics, SpecialFX, and Sound toggles can be found at the top of the game screen.