# irt.io

> From card games to coop to competitive shooters, write plain typescript with the stack you already use and verify it works with tests that don’t take up your time.

## Docs
- [The mental model](https://irt.io/docs/concepts/mental-model)
- [Deploying a room](https://irt.io/docs/deploy/deploying)
- [Retrofit an existing game](https://irt.io/docs/guides/retrofit)
- [Introduction](https://irt.io/docs/introduction)
- [CLI](https://irt.io/docs/reference/cli)
- [Simulated players](https://irt.io/docs/testing/simulated-players)
- [State & schema](https://irt.io/docs/concepts/schema)
- [The dashboard](https://irt.io/docs/deploy/dashboard)
- [Quickstart](https://irt.io/docs/getting-started)
- [Co-op movement](https://irt.io/docs/guides/coop)
- [Client SDK](https://irt.io/docs/reference/client)
- [Testing in CI](https://irt.io/docs/testing/ci)
- [Ownership & the ladder](https://irt.io/docs/concepts/ownership)
- [Limits & pricing](https://irt.io/docs/deploy/limits)
- [Your first room](https://irt.io/docs/first-room)
- [A card game with RPCs](https://irt.io/docs/guides/card-game)
- [Room file API](https://irt.io/docs/reference/room)
- [RPCs](https://irt.io/docs/concepts/rpcs)
- [Authoritative shooter](https://irt.io/docs/guides/shooter)
- [Error catalogue](https://irt.io/docs/reference/errors)
- [Server authority & validation](https://irt.io/docs/concepts/server-authority)
- [Presence & lifecycle](https://irt.io/docs/concepts/presence)

## Key pages
- [Pricing](https://irt.io/pricing)
- [Blog](https://irt.io/blog)