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https://github.com/nkzw-tech/athena-crisis

Athena Crisis is a modern-retro turn-based tactical strategy game. Athena Crisis is open core technology.
https://github.com/nkzw-tech/athena-crisis

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Athena Crisis is a modern-retro turn-based tactical strategy game. Athena Crisis is open core technology.

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README 

        
# Athena Crisis





  

    Athena Crisis Logo

  




[Athena Crisis](https://athenacrisis.com) is an Open Core video game developed by [Nakazawa Tech](https://nkzw.tech) and published by [Null](https://null.com). The source code in this repository is licensed under the [MIT License](./LICENSE.md) and can be used to improve Athena Crisis, build additional tools, study game development with JavaScript or create entirely new turn-based strategy games.



The single-player campaign, multiplayer, art, music, and content are not open source. You can try a demo at [athenacrisis.com](https://athenacrisis.com) and you can [wishlist or purchase Athena Crisis on Steam](https://store.steampowered.com/app/2456430/Athena_Crisis/) or [buy Athena Crisis directly](https://app.athenacrisis.com/checkout) to experience the full game.



If you like Athena Crisis, [please consider a sponsorship to support its development](https://github.com/sponsors/cpojer).





  Athena Crisis Gameplay




[![Edit in CodeSandbox](https://assets.codesandbox.io/github/button-edit-lime.svg)](https://codesandbox.io/p/github/nkzw-tech/athena-crisis)



## Setup



Athena Crisis requires [Node.js](https://nodejs.org/en/download/package-manager) and the latest major version of [`pnpm`](https://pnpm.io/installation).



> [!NOTE]

>

> Windows Specific Config

> Developers on Windows will want to ensure that they are using `bash` to run `package.json` scripts. You can configure npm to use git bash by default with the following:

>

> ```bash

> npm config set script-shell "C:\\Program Files\\git\\bin\\bash.exe"

> ```

>

> 



```bash

pnpm install && pnpm dev:setup

pnpm dev

```



Visit [localhost:3003](http://localhost:3003/) to see the docs page.



## Documentation & Playground



Check out our [Athena Crisis Open Source Docs & Playground](https://athenacrisis.com/open-source) site.



### Packages



The codebase is split into multiple packages to enforce the separation of concerns. We suggest starting with these packages to get an end-to-end overview:



- `athena` → Data structures and algorithms for manipulating _map_ state (_client/server_).

- `apollo` → Data structures and algorithms for manipulating _game_ state (_client/server_).

- `hera` → Game engine and rendering (_client_).

- `ui` → Design system (_client_).

- `docs` → Docs & Playground (_client_).



These are secondary packages focused on specific domains:



- `art` → Handling of assets (_client/build_).

- `codegen` → Run `pnpm codegen` when changing game `Action`s or `ActionResponse`s to generate encoded actions and formatters (_build_).

- `dionysus` → AI code (_client/server_).

- `hephaestus` → Iterator and Immutable data structures (_client/server_).

- `hermes` → Campaign related data structures and algorithms (_client/server_).

- `i18n` → Internationalization (_client/build_).

- `offline` → Offline splash screen for app (_client_).

- `tests` → e2e tests.



# Contributing



We welcome contributions to Athena Crisis. Some feature development is funded via [Polar](https://polar.sh): [`nkzw-tech/athena-crisis` on Polar](https://polar.sh/nkzw-tech/athena-crisis). Here are some guidelines to get you started:



- The style guide is enforced through tests and linting. Please run `pnpm test` to run all checks. If they pass, you are good to send a Pull Request.

- We suggest adding tests to Pull Requests. You can find many examples in the [`tests` folder](https://github.com/nkzw-tech/athena-crisis/tree/main/tests).

- Check out [The Perfect Development Environment](https://cpojer.net/posts/the-perfect-development-environment) and [Fastest Frontend Tooling](https://cpojer.net/posts/fastest-frontend-tooling-in-2022) for tips on how to optimize your environment setup.

- [Join the #tech channel on Discord](https://discord.gg/athenacrisis) if you run into issues.



We greatly appreciate contributions in the following areas:



- Bug fixes.

- AI improvements.

- New game features.

- Balancing improvements.

- Experimental technical explorations.

- Tests to cover untested functionality.

- Performance Improvements to core data structures.

- Separation of concerns into smaller libraries that can be published on npm and consumed by other projects.



# Q&A



## What is open source and what isn't?



**More than 100,000 lines** of all non-content related Athena Crisis code are open source, including the core data structures, algorithms, game engine, rendering, AI, and the map editor. Backend implementations such as user management, databases, APIs, realtime spectating, server configuration, and app wrappers for Steam or app stores are not open source. We aim to open source more of the game over time, but the content will remain the intellectual property of Nakazawa Tech KK and therefore won't become open source. You can buy and experience [Athena Crisis on Steam](https://store.steampowered.com/app/2456430/Athena_Crisis/) or [buy it on athenacrisis.com](https://app.athenacrisis.com/checkout).



## Why is Athena Crisis open source?



[Nakazawa Tech](https://nkzw.tech) is an Open Core company. See [the "Athena Crisis is now Open Source" blog post](https://cpojer.net/posts/athena-crisis-open-source) for more information.



## How is this codebase used at Nakazawa Tech?



We use a monorepo for Athena Crisis at Nakazawa Tech and are syncing a portion of the codebase to this repository. Code merged into this open-source repository is automatically synced to the internal monorepo, and vice versa. Athena Crisis always runs the latest version of code from this repository in production.



### Why are some folders almost empty?



To simplify dependency management with [`pnpm`](https://pnpm.io/), most of the internal `package.json` files and the `pnpm-lock.yaml` are public. This makes it easier to share code between the internal monorepo and this repository but leaves some placeholders in this repository, most notably the `ares` and `artemis` packages, which can be ignored.



## Why are packages named after Greek gods?



Why not!? At some point it became necessary to split the codebase into multiple packages to share code between the client and server. The first package was named `athena`, and it was hard to come up with meaningful names for the other packages. We decided to name them after Greek gods because it seemed cute.



Over time, many pieces will be extracted into separate packages and published on npm under the `@nkzw` organization. Please move it to a `packages` folder and send a Pull Request if you find code that should be extracted into a separate package.



## How do assets work in this codebase?



Assets are not part of this codebase and are not open source. Art and other assets are loaded remotely from the Athena Crisis servers for testing and development. If you want to build your own game based on Athena Crisis, you can use the code as a starting point and replace the assets with your own.



## I would like to build a commercial project based on this codebase. Can I?



Yes, you can. However, any content such as art, music, story, characters and their descriptions are not open source and are the intellectual property of Nakazawa Tech KK. You can use the codebase to build your own game, but you must replace all content with your own. For example, you have to replace all references to assets in [`Images.tsx`](https://github.com/nkzw-tech/athena-crisis/blob/main/hera/render/Images.tsx) or change character descriptions in [`Unit.tsx`](https://github.com/nkzw-tech/athena-crisis/blob/dc1c06b7f033e4c52a29db1524dc08226eacf63a/athena/info/Unit.tsx) if you want to publish your own game.



If you'd like to use content from Athena Crisis for commercial or non-commercial purposes, you must obtain a license from Nakazawa Tech KK by emailing [email protected].



# More information



Check out these links to learn more about the tech behind Athena Crisis:



- [Join us on Discord](https://discord.gg/athenacrisis)

- [How NOT to Build a Video Game](https://www.youtube.com/watch?v=m8SmXOTM8Ec)

- [Follow Athena Crisis on Twitter](https://twitter.com/TheAthenaCrisis)

- [Building the AI for Athena Crisis](https://www.youtube.com/watch?v=0V9XaIK0xlQ)

- [Athena Crisis Open Source Docs & Playground](https://athenacrisis.com/open-source)



# Supporters



| Hetzner | Crowdin |

| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- |

| Polar                                                                                                            | Null                                |





  Athena Crisis Keyart