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Codex turns handheld game ideas into playable ROMs

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OpenAI and ModRetro demonstrate a Codex workflow for designing levels, animating sprites, playtesting on the Chromatic handheld, and building a playable ROM.

Codex OpenAI ModRetro Game Development Agentic Coding Handheld Gaming AI Coding

Category: harness

Author: @OpenAIDevs

Date: 2026-11-09T00:00:00

Duration: 45.837s

Source: https://x.com/OpenAIDevs/status/2119864571733446774

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