Ryan Fitzpatrick

10/23/2026 // Game Development

Two new games: Acting and Cars

Acting is a multiplayer RPG-style dialogue experiment. Cars is a complete car fabricator and multiplayer racing simulator with Box3D physics. Both are up to play.

I have two more games up: Acting and Cars. Both are multiplayer, and both are in the arcade.

The Orpheum cinema from Acting alongside the green Lamborghini and blue Mustang from Cars' Slipstream card.
Acting / The Orpheum and Cars / Slipstream.

Acting

Acting is a multiplayer RPG-style test with dialogue. It is still an experiment.

Play Acting.

Cars

Cars is a complete car fabricator and racing simulator with Box3D physics. You build the car, then race it with other players.

Play Cars.

I also wrote about Astra and Opus 5.5, and what better coding agents mean for building and maintaining projects like these.

Article FAQ

Article takeaways

Where can I play Acting?
Acting is available at acting.ryanfitzpatrick.io. It is a multiplayer RPG-style test with dialogue.
What is Cars?
Cars is a complete car fabricator and racing simulator with multiplayer and Box3D physics, available at cars.ryanfitzpatrick.io.
10/23/2026 · LLM ResearchAstra, Opus 5.5, and what comes next

Astra earned its place on the hard jobs. Opus 5.5 needs the same test, at a lower price. With Acting and Cars up, I have plenty of work to try it on.

05/10/2026 · LLM ResearchLLM Assisted Game Development Workflow

LLM-assisted game development is no longer just autocomplete. This guide shows what LLMs can realistically add to a game dev workflow today, from design docs and gameplay code to assets, debugging, performance, and multi-agent workflows.

09/23/2026 · LLM ResearchWTF is Jev

Not a chat model. A decision interface. TypeSafe shipped it because nobody else was. RLCD might be the real story. The local Python demo already works.

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