diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
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@@ -1,4 +1,134 @@
 # Contributing to Theatre.js
 
->`@todo` Write the contribution guide.
+## Getting Started
 
+### Prerequisites
+
+Make sure you have [Node](https://nodejs.org/) installed at v14.0.0+
+
+```sh
+node -v
+
+v14.0.0
+
+```
+
+and [Yarn](https://classic.yarnpkg.com/en/) at v2.0.0+.
+
+```sh
+yarn -v
+
+2.0.0
+```
+
+### Fork, Clone & Install
+
+Start by forking Theatre.js to your GitHub account. Then clone your fork and
+install dependencies:
+
+```sh
+git clone git@github.com:<your-user>/theatre.git
+cd theatre
+yarn
+```
+
+> ⚠ theatre relies on
+> [yarn workspaces](https://classic.yarnpkg.com/lang/en/docs/workspaces/) so
+> `npm install` will not work in this repository.
+
+Add our repo as a git remote so you can pull/rebase your fork with our latest
+updates:
+
+```
+git remote add upstream git@github.com:AriaMinaei/theatre.git
+```
+
+## Project structure
+
+> This section is lacking in instructions (PRs welcome!).
+
+### `@theatre/core`
+
+The core animation library. This project is located under
+[`./theatre/core`](`/theatre/core).
+
+### `@theatre/studio`
+
+The visual editor. This project is located under
+[`./theatre/studio`](`/theatre/studio).
+
+### Commands
+
+> This list is not updated, you should run `yarn run` to see all scripts.
+
+#### Root commands
+
+```sh
+yarn playground            // run the playground
+
+yarn test                  // run all tests
+yarn typecheck             // TS typechecking
+```
+
+#### Theatre workspace commands
+
+Commands available for the `@theatre` workspace:
+
+```sh
+yarn build:js
+yarn build:js:watch
+```
+
+## Devflow
+
+> This section is lacking in instructions (PRs welcome!).
+
+When working on changes for the `@theatre` workspace, you want to have a couple
+of things running concurrently:
+
+1. Run the playground to verify the changes
+   ```
+   yarn playground
+   ```
+2. Watch and rebuild theatre packages on changes:
+   ```sh
+   cd theatre
+   yarn build:js
+   ```
+
+## Workflow
+
+> This section is lacking in instructions (PRs welcome!).
+
+1. Find (or create) an issue you would like to look at
+2. Implement the changes & test it against
+3. Run the tests to ensure that nothing has been broken
+4. Create a PR & reference the issue 🎉
+
+If you have any questions or issues along the way, drop a message in the
+[discord community](https://discord.gg/bm9f8F9Y9N) and maybe someone can help!
+
+## Documentation
+
+> This section is lacking in instructions (PRs welcome!).
+
+The libraries come bundled with typescript definitions with TSDoc (opens new
+window)comments. You can explore the API if your editor is configured to display
+TSDoc comments.
+
+Other references
+
+- [Documentation: https://docs.theatrejs.com](https://docs.theatrejs.com/getting-started/)
+- [Video: Theatre.js Crash Course](https://www.youtube.com/watch?v=icR9EIS1q34)
+
+## Testing
+
+Run tests during development with `yarn test` to re-run tests on file changes.
+
+### Examples
+
+> This section is lacking in instructions (PRs welcome!).
+
+## Releasing
+
+> This section is lacking in instructions (PRs welcome!).