I missed one machine from the bicentennial - Liberty Bell is almost a carbon copy of Williams' own Grand Prix. Earning a special requires advancing the starts four times, then dropping all four drop targets. Tough! The spinners have rockets screened on them, to represent "the rockets' red glare". Gameplay Video: https://youtu.be/zWsUZ-bxfjo http://ipdb.org/machine.cgi?id=1436