I made a tiny world model game that runs locally on iPad

Reddit r/LocalLLaMA / 4/19/2026

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Key Points

  • A developer built a small “world model” game that runs locally on an iPad, though the behavior is still glitchy (“gloopy”).
  • The driving game can interpret arbitrary photos into controllable gameplay, using the local world model to translate visual inputs into actions.
  • Users can also draw directly into the game and immediately see how the model interprets the drawn scene.
  • The creator is experimenting with improving the prototype and aims to expand it into a complete game loop in the future.
I made a tiny world model game that runs locally on iPad

It's a bit gloopy at the moment but have been messing around with training my own local world models that run on iPad. Last weekend I made this driving game that tries to interpret any photo into controllable gameplay. I also added the ability to draw directly into the game and see how the world model interprets it. It's pretty fun for a bit messing around with the goopiness of the world model but am hoping to create a full gameloop with this prototype at some point.

submitted by /u/howthefrondsfold
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