On: PX8 – A PICO-8 compatible fantasy console written ...

[dsnuh]

My kids actually caught on to Voxatron (PICO-8's 3D sibling) a little easier than PICO-8. I think Minecraft has a lot to do with that.

AFAIK both are Lua based, not Python. Both programs are absolutely recommended and are a joy even if you don't have kids to share with.