The arcade feature is very much dependent on 3rd party code, there are a lot of aspects of it that are out of our control that we have to just accept. In particular the behavior of most games, and whether or not those games work right, are multi-player, save scores, and so forth are entirely out of our control.
What can be addressed will be, but know that the answer to things here may very well be "out of our control" and the only choices keeping a buggy/incomplete feature and enjoying it as best possible, or removing it entirely.
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