Nice man! Actually, I have seen the Rev-A cartridge. It was on ebay not too long ago for around $1000. Don't know who bought it.
Hello. My programming knowledge is limited so I may not be of much use as of now. But I will help the community in any way I can.
Some holy grails of mine would be:
An early build of Luigi's Mansion, most likely something that was shown at Spaceworld 2000/2001 or even...
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