Clone a classic game by decompiling it with subagents

Opus 5.5 decompiled SimCity 2000 with Ghidra using 27 subagents, then verified 10,000 game days via a Unicorn emulator.

by drdator6 Oct 2026

Prompt for your agent

Goal: Build a faithful modern replica of an old game from its original binary.
Setup: agents used in source: Claude; tools/MCPs stated: Ghidra, Unicorn, GPT Image 2.
Steps:
1. Prompt: “create a typescript webgl low-poly version (full replica of game logic) of <game>. the original is available here for inspection”.
2. Let it decompile with Ghidra and translate native code function by function using subagents.
3. Follow up: “make sure all aspects of the game is implemented correctly and accurately” — it built an emulator harness to compare game state over 10,000 days.
4. Polish; generate 3D/vector assets in code and bitmaps with an image model.
Rules: ask me before anything irreversible (sending, posting, paying, deleting); don’t invent data, results or tools I haven’t given you; tell me what you couldn’t verify.
Based on: drdator — https://news.ycombinator.com/item?id=49977886

Steps are from the source. Includes a “Based on” credit line.

I tried this

Tell the next builder. One anonymous answer each; click again to undo.

Agents, models and tools only what the source states

Agents
Claude
Models
Opus 5.5
Tools
  • Ghidra
  • Unicorn
  • GPT Image 2

Sources & credit