Dictate a Game Boy game to Codex on your commute

Using the modretro plugin in Codex, a dad built a Game Boy game mostly by dictation on a 30-min drive.

by Erik Natzke30 Sep 2026

Prompt for your agent

Goal: Build a Game Boy game by voice.
Setup: agents used in source: Codex; tools/MCPs stated: modretro plugin.
Steps:
1. Install the modretro plugin in Codex.
2. Dictate the game design and changes.
3. Test in the simulator, then on real hardware.
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: Erik Natzke — https://x.com/Natzke/status/2105355307409145976 (summarised from source; the source has no explicit step list)

Steps are our summary of the source (it has no explicit step list). 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
Codex
Models
Astra
Tools
  • modretro plugin

Sources & credit