I got a request today to see if I could get Cave Story working on the Raspberry Pi. It took me about 4 hours but I’ve gotten a decent version running. This uses the NXengine open source cave story project, along with the english translation patch the freeware data files.
Let me know if you have any issues with the binaries or running the program. I’ve only ever played about 5 minutes of Cave Story so I’m not sure how well it’s running, but it seemed to be fine to me. Looking forward to the feedback.