It turns out, there's a huge market for this! Had Glitch not been stuck on Flash and was able to pivot to mobile it may have been a success.

My daughter, her friends, her cousins, are all obsessed with Toca Boca (https://tocaboca.com/) which is nothing more than digital "barbie", a game you can play forever, fully powered by your imagination.

It's also the reason Minecraft is still so popular: it's a platform for creativity. Games don't always have to have an end-goal.