Dev iterates Codex-built first-person dungeon crawler Codexfall, playable in browser
Dimillian · x · 2026-09-06
Developer Dimillian shares Codexfall, a first-person dungeon crawler built and iterated with Codex, playable in the browser.
He played the game and refined it from there, focusing on a smooth fast-travel experience, combat feel, and first-person controls to enable his own dungeon crawling experience.
More from coding & agent
- Scaling agent code means humans become PCP checkers, argues developer — willcb · 2026-09-06
- Dev argues massively scaling agent-written code is feasible if it stays human-legible — willcb · 2026-09-06
- Running 95 sandboxed agent containers: lessons from the first paying user — aihudagency · 2026-09-06
- Being a senior dev in 2026 means explaining to AI why we don't do that — josh_wills · 2026-09-06
- rauchg goes big on WebMCP: agents riding existing web infrastructure — jeff_weinstein · 2026-09-06
- User rebuilds VR hit Gorilla Tag with GPT-6 Astra, claims better graphics — Acid_God_ · 2026-09-06