RunnerPack and I were talking about a Metroid-type game. But that was a very long time ago. Nothing ever came of it.
Hi,
You’ll want to build a reprogrammable cartridge if you wish to play your games on hardware. Here are a few links that can help get you started.
http://dana.ucc.nau.edu/~dbt/VBDiagrams.html http://dogpn.home.mchsi.com/VirtualBoy/Dev/VBProgCart.htm
I’m not sure if you have already seen these or not, but they are about the best way to go.