damijin publishes on itch.io as protomo, signing the Chip Fab Story page “-damijin (posting as protomo, the prototype mountaineer)”. The web version of the game is hosted at a chatgpt.site address under the name damijwin.
A real Famicom/NES game about running a chip fab from 1971 to AI superintelligence, wrapped for phone browsers. The developer says it was built entirely inside the Codex app, and lists Codex on the team.