And here's an even better version, built by GPT-5.6 Sol Ultra running in Code Desktop
Simon Willison (@simonw)
I had Codex Desktop and GPT-5.6 Sol Ultra take a go at building my Raccoon Heist game and it did an even better job than Claude Fable 5 did! Here's "Moonlight & Mayhem", now with a team of raccoons raiding a museum for the Golden Sardine
Video
— https://nitter.net/simonw/status/2085808307865014295#m