Port a 1993 assembly game to a modern engine with Claude

The author of a 1993 Amiga game had Claude read the original 68000 assembly and port the game to Godot.

Difficulty
AdvancedOur rating
Time to build
An evening for the first port (sourced)From the source
Monthly cost
Not reported
Revenue
Not reportedWe only show revenue the source states
Engagement
381 HN points133 comments · fetched Oct 15, 2026

What they did

Rabah Shihab gave Claude his 1993 source, notes and repos. It first reassembled the code until the binary matched the original, then ported it to Godot.

How it went

He says the first port took an evening, with a few more weekends to get the feel right and ship. He is releasing the original for free.

Worth knowing

Claude wrote the first draft of his write-up, which he edited line by line.

Builder recipe

Our own starting point, written from the source. Adapt it to your setup.

Stack

  • Claude
  • Godot
  • Original source

Steps

  1. Describe the game or mod you want.
  2. Build it with your agent in small playable steps.
  3. Playtest after each step.
  4. Share or publish, respecting copyright.

Starter prompt

Here is the original assembly. First reassemble it until the binary matches, then document each routine, then port the game loop to Godot.

Tags

Agent Claude
Tool Godot
Industry Games

Read the original

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