Claude Opus 5.5 builds a Unity ghost-hunting game with no hand-written code
Using Opus 5.5 to write C#, set up scenes and run tests, alongside Blender/Meshy modeling and ElevenLabs sound, the author built a ghost-hunting game in Unity 6 without writing a single line of code by hand.
I built a ghost-hunting game in Unity 6 with Claude Opus 5.5... A haunted mansion, a vacuum pack, and rooms that come back to life the moment you catch the ghost. I did not write a single line of code by hand. The trick is to never ask for "a ghost game" in one prompt. Who does what: > Unity 6 holds the mansion, the lighting, the physics and the UI. > Blender + Meshy make the hero, the armchairs, the plates and the fountain. > ElevenLabs does the vacuum hum, the ghost wails and the doors. > Opus 5.5 writes the C# scripts, sets up scenes, runs play tests and files bug reports. > You play it and say what feels off. The rule that saves the project: one system per prompt, and a commit after every system that works. That way a bad batch only ever costs you a few seconds. I always get the ghost capture feeling right in grey boxes before any art goes in. Save this before your first Unity build.
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