Just some random idea I came up with a couple of weeks ago. I started imagining how to get Galaxian 3 to work with 3D effects powered by RealD 3D. Not sure if an idea like this can work, cause I'm certain it would be hard to modify a ROM (or LD) to feature 3D effects.
I have never played Galaxian 3 before but I'm sure the United States has no Galaxian 3 arcade anywhere. And plus if there was one on ebay I won't be able to get it.