# OpenAI to hold 1st Codex game development event in Korea > Source: > Published: 2026-08-04 05:32:02+00:00 OpenAI said Tuesday it will hold a one-day, in-person hackathon on Aug. 31 built around Codex, the company's artificial intelligence (AI) coding agent, marking its first event anywhere dedicated to game development with the tool. The event, called the OpenAI Game Builders Seoul, will bring together Korean developers to explore new approaches to building games with Codex, under the theme "Build with Codex, Play with Hive." It is supported by Com2uS, one of Korea's leading game companies. Legendary developer Jake Song, who helped shape the history of Korean MMORPGs (massively multiplayer online role-playing games) through titles including "The Kingdom of the Winds," "Lineage" and "ArcheAge," will take part throughout the event and discuss how Codex inspired his return to hands-on game development. Additional participating developers are expected to be announced later on the event website. Codex is OpenAI's coding agent, which supports the full software development cycle, including writing, modifying and testing code, based on natural-language instructions. Meanwhile, Hive is Com2uS' game bac