If you'd like the platform to be more open, it's pretty easy to do something about it, just contribute missing bits to existing open source implementations like

If you'd like the platform to be more open, it's pretty easy to do something about it, just contribute missing bits to existing open source implementations like https://github.com/picolove/picolove https://github.com/picolove/picolove. The overall system is pretty simple, so completing a decent open emulator should be be doable in a reasonable time frame. Personally, I'd both like to see and open-source way to play back pico-8 cartridges and lexaloffle continuing to be financially rewarded for building a pretty cool (and cheap!) platform, so I hope the graphics and sound editors won't be included in free clones anytime soon.