Thanks for checking it out and letting me know about the slow performance! Could you also let me know which version you tried? Dreamcast still runs somewhat poorly, that's unfortunately expected. Other than that, the Web version has been having issues under recent Firefox versions. For some reason they don't like how the game is (supposed to be) running at fixed 60 fps anymore, throttling it a lot and leading to poor performance. Still don't have a fix for that unfortunately, best I can do right now is to recommend trying it with another browser if possible.