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> Since the market penetration of the NES was so high, many games in the early 90s were “dual-released” this way. I don't remember games that were released on

• derefr 6y ago
  It's a good question. I don't think anyone's ever put together a definitive list. I don't even remember any specific examples off-hand, just that some games would be mentioned as being dual releases in Nintendo Power coverage. (This happened a lot more with NES + GB or SNES + GB dual-releases, but these are obviously not "source ports" but rather ground-up rewrites, so not interesting here.) But that doesn't mean that we can't figure it out! Grabbing the No-Intro databases (https://no-intro.org https://no-intro.org), and then intersecting the romset names between the NES and SNES lists, gives me this list: https://gist.github.com/tsutsu/0a9d7dbaa3cb7bb1929b31d7bc8787b3 https://gist.github.com/tsutsu/0a9d7dbaa3cb7bb1929b31d7bc878.... About 82 games! Of course, some of those are sequels that just happen to share a name; some are ground-up-rewrite-style dual releases; and some are just unofficial ports — people trying to recreate a SNES game on the NES or vice-versa, without access to the original code. But there are likely a good few in there that were SNES-enhanced-NES-code dual-releases. If someone here is a gaming content-creator, there's a very unique deep-dive essay waiting to be written here, about how these games work. (Retro Game Mechanics Explained, I'm looking at you.)