I gave ChatGPT Codex an article & screenshot from a famous, lost Maxis simulation, SimRefinery, and asked it to create it for me.

It built a playable prototype for me while I did other stuff, never touching any code once, instead just occasionally poking Codex for small changes. pic.twitter.com/SZi5HMAArw

— Ethan Mollick (@emollick) 27 septembre 2025

I gave ChatGPT Codex an article & screenshot from a famous, lost Maxis simulation, SimRefinery, and asked it to create it for me. It built a playable prototype for me while I did other stuff, never touching any code once, instead just occasionally poking Codex for small changes.

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