Game development

For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.

Prototype loops, UI, and gameplay faster.

Codex, combined with image generation, is particularly powerful to create browser-based and other types of games. These use cases will help you turn ideas into live games.

Build the first playable loop

Ask Codex to turn a game brief into a browser build with assets, controls, and a loop you can test.

• Create browser-based games: Use Codex to turn a game brief into first a well-defined plan, and then a real browser-based...

Tackle hard game logic

Leverage Codex to iterate on complex game algorithms by running a self-evaluation loop.

• Iterate on difficult problems: Give Codex an evaluation system, such as scripts and reviewable artifacts, so it can keep...

Triage bugs from real signals

Use Codex to gather bug reports, failing checks, logs, and repro notes into a prioritized list before it patches the game.

• Automate bug triage: Ask Codex to check recent alerts, issues, failed checks, logs, and chat reports, tune the...

Review before merge

Have Codex in GitHub automatically review PRs and catch regressions and missing tests for faster deployment.

• Review GitHub pull requests: Use Codex code review in GitHub to automatically surface regressions, missing tests, and...