# ModRetro's Codex edition Chromatic handheld is now on Supply Co.

> Original title: Ever thought about building your own games? The Codex edition @modretro Chromatic is now on Supply Co.

- Source: OpenAI Developers
- Published: 2026-11-09T18:47:53.000Z
- Bad Influence: https://badinfluence.news/items/zns8sqv275m6hqrh1m5uwr0m6
- Original: https://x.com/OpenAIDevs/status/2119864571733446774

## Summary

ModRetro's Codex edition Chromatic handheld is now available on Supply Co. OpenAI says the ModRetro Chromatic plugin in Codex lets users design levels, animate sprites, and playtest on the handheld, with Codex building the ROM.

## Post

Ever thought about building your own games? The Codex edition @modretro Chromatic is now on Supply Co.

With the ModRetro Chromatic plugin in Codex, you can design levels, animate sprites, and playtest on your handheld.

Speedrun checkout while Codex builds your ROM 😉

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Fmedia%2FHWtFuYiWMAEZ6wh.jpg&mode=thumb&exp=1794528000&sig=cc98a4fc54182bcc)