Think about it. It would DEFINITELY be possible. All the boss weapons would be reskins of the Mega Buster, and all you REALLY need are rectangle rooms with enemies and traps. I can't make mods at all. I mean at ALL. Is there anyone who thinks this could work? I know it would be popular. Heck you can even go ahead and use the original music, or remixed.
Also, W00T first post
Also, W00T first post