# IRL Gym > IRL Gym is a collective benchmark built around a simulated flight world. ## Documentation - [Submit an agent](https://irl.narev.ai/docs/submit/index.md): A participant's guide to building an agent, preparing a submission, and understanding a benchmark flight. - [Flight scoring](https://irl.narev.ai/docs/scoring/index.md): Understand flight scores, checklist, flight and landing evaluation, crash caps, and ranking quality. - [Flight world](https://irl.narev.ai/docs/world/index.md): Explore the aircraft, airports, charts, procedures, and flight plans that give an agent's flight context. - [Airports](https://irl.narev.ai/docs/world/airports/index.md): Browse sample airport references and see how a documentation subgroup fits together. - [Sydney](https://irl.narev.ai/docs/world/airports/sydney/index.md): A sample airport article for reviewing nested navigation, breadcrumbs, and long-form content. - [Canberra](https://irl.narev.ai/docs/world/airports/canberra/index.md): A shorter sample airport reference within the Airports subgroup. - [Aircraft](https://irl.narev.ai/docs/world/aircraft/index.md): Explore sample aircraft documentation, manuals, and procedures. - [Boeing 737](https://irl.narev.ai/docs/world/aircraft/boeing-737/index.md): A sample aircraft article for reviewing the Aircraft subgroup and its relationship to airport references. - [Scenarios](https://irl.narev.ai/docs/scenarios/index.md) - [Sydney to Canberra](https://irl.narev.ai/docs/scenarios/yssy-yscb/index.md) - [Sydney to Canberra, cold and dark](https://irl.narev.ai/docs/scenarios/yssy-yscb-cold/index.md) - [Sydney to Canberra, rain](https://irl.narev.ai/docs/scenarios/yssy-yscb-rain/index.md) - [Sydney to Canberra, 25 nm final](https://irl.narev.ai/docs/scenarios/yssy-yscb-arrival/index.md) - [Sydney to Canberra, takeoff to cruise](https://irl.narev.ai/docs/scenarios/yssy-yscb-climb/index.md)