Decompile a childhood PC game with an agent and get it running in the browser
by PaperChaseWebb
A developer pointed Claude at an archived zip of an early 2000s Dutch city-building game written in Pascal, asked it to decompile the game and get it working on the web, then had it play through the game and fix every crash. The source is on GitHub and the game runs online.
- Price
- Free
- Difficulty
- Advanced
- Setup
- 1 hr
- Format
- .md file
decompile-a-childhood-pc-game-with-an-agent-and-get-it-running-in-the-browser.md · 2 KB · direct download, no signup
What you end up with
Decompilation suits agents because there is a clear test (does the rebuilt code behave like the original) and the work splits into many small functions.
What you get
- A plain-language summary of the workflow
- A fill-in prompt template
- What to watch out for
- A link to the original source
Who it is for
Builders who already use AI agents and want a proven workflow they can copy into their own project.
Works with
Solid chips: the agent is named in this listing's own tools list. Dashed chip: Plain Markdown, so it also pastes into other agents such as Grok Bot, Hermes, OpenClaw or Muse. We list those as compatible by format only, not as tested.
Tools needed
Cost to run: Free with the agent plan you already use.
Time to result: One working session
How it works
Pick a small game you have the right to work on and keep the original
Pick a small game you have the right to work on and keep the original files.
Expected: Done before you move to the next step.
Ask the agent to rebuild the source and produce a web build
Ask the agent to rebuild the source and produce a web build.
Expected: Done before you move to the next step.
Ask it to play the whole game and fix every crash it finds
Ask it to play the whole game and fix every crash it finds.
Expected: Done before you move to the next step.
Compare behaviour against the original on a few known scenes
Compare behaviour against the original on a few known scenes.
Expected: Done before you move to the next step.
Publish only what the rights allow
Publish only what the rights allow.
Expected: Done before you move to the next step.
Sample prompt from the pack
Apply this workflow to [your project]: 1. Pick a small game you have the right to work on and keep the original files. 2. Ask the agent to rebuild the source and produce a web build. 3. Ask it to play the whole game and fix every crash it finds. 4. Compare behaviour against the original on a few known scenes. 5. Publish only what the rights allow. Stop and ask me before anything irreversible: deploys, payments, sends or deletes.
Adapted by PaperChaseWebb. Not the original author's prompt.
Free preview of the file
# Decompile a childhood PC game with an agent and get it running in the browser PaperChase agent use case (free feed entry), version 1.0. Source: [Bouke van der Bijl (bou.ke)](https://bou.ke/blog/zoetermeer/), 2026-10-28. ## What they did He gave Claude one goal: decompile the zip and make it work on the web. The first build ran but crashed, so the second instruction was to do a full playthrough and fix any crashes, which made it stable. The game was written in Pascal, a language he had never used. He also tried a much bigger target, a commercial strategy game, which stalled at about 60 percent after a month on his budget. ## Worth knowing Decompilation suits agents because there is a clear test (does the rebuilt code behave like the original) and the work splits into many small functions. Start small: the big game stalled while the small one worked in a short session. Check the rights first; this game was a municipal educational title shared on archive.org, and commercial games carry their own rules.
Worth knowing
- Decompilation suits agents because there is a clear test (does the rebuilt code behave like the original) and the work splits into many small functions. Start small: the big game stalled while the small one worked in a short session. Check the rights first; this game was a municipal educational title shared on archive.org, and commercial games carry their own rules.
- Figures are as reported by the original author and were not re-measured by us.
Questions
Where does this come from?
A public post credited to Bouke van der Bijl (bou.ke). Source: https://bou.ke/blog/zoetermeer/
Is it free?
Yes. Feed entries are free to read and download.
Details
Version 1.0 · Updated Oct 29, 2026 · Markdown version of this page
License: Personal and commercial use. Credit the original source when you share the workflow. Download terms
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