There's the NESMaker community that creates NES games using a toolkit: https://www.thenew8bitheroes.com/ https://www.thenew8bitheroes.com/ Games that may be c

There's the NESMaker community that creates NES games using a toolkit: https://www.thenew8bitheroes.com/ https://www.thenew8bitheroes.com/ Games that may be created with it (the NESMaker site links to it, but it's not clear if all games were made with it or not): https://theretroverse.com/play/ https://theretroverse.com/play/