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The AI rewrote SimTower from a decompiled binary and put it in the browser

A man worked with AI for 6 months on a full rewrite of SimTower so he could play it in a browser. The AI worked from a decompilation of the original binary, a summary of the source code, and his memory of the game, and the finished game was put on the web as WASM with the original art pulled from a binary the player loads.

How it works

  1. He gives the AI a decompiled copy of the original binary, a summary of the source code, and his own memory of how the game plays
  2. The AI writes the full rewrite
  3. He plays through it for hours and flags every small behavior that feels wrong
  4. The AI fixes the flagged behavior, with the elevators the hardest part
  5. The game goes live on the web as WASM

Why it’s worth knowing

He never read a single line of the code the AI wrote. He checked the work by playing the game and pointing at what felt wrong.

Where it’s from

Summarized from a public post on news.ycombinator.com. See the original ↗

Upgraded prompt

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1Who the AI should be
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