Last Light
Fly a glider down a river valley before the sun is gone. Every ring of light you thread buys a little more day.
The whole prompt
Make the best playable 3D game you can, in one HTML file.
How it was made
- One HTML file: 438 lines, 52,007 bytes. WebGL 2 written by hand, no library, no network call.
- About 19 minutes of work, 89,408 output tokens.
- Everything is made by the file when it loads: 513 × 513 heights over 6.4 km, 26,000 trees, 47 rings round an 11 km course, the sky, the water, the sound.
- Not one shot: the model looked at its own screenshots and changed the file seven times.
What still fails
- The recording is a scripted pilot, not a person. Whether the steering feels right in a hand was not known when it was made.
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