> For the complete documentation index, see [llms.txt](https://docs.cashcity.fun/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cashcity.fun/readme.md).

# Welcome to Cash City

Cash City is a Solana-based Trading Firm simulator where you run your own Firms, hire Interns, and compete for a share of daily $CASH emissions. Every decision — which Interns to seat, when to upgrade, how aggressively to hire — affects your cut of the pie.

<figure><img src="/files/9Ph0qarZQ8zTZMHYZK9Y" alt=""><figcaption></figcaption></figure>

This documentation covers everything you need to know: how the game works, the math behind the economy, and how to make the most of your time on the trading floor.

{% hint style="info" %}
Cash City is invite-only. You need an access code to play. Every player in the game can generate invite codes — find one on [X (Twitter)](https://x.com/cashcitydotfun) or ask someone already inside.
{% endhint %}

***

### Quick Links

| Section                                               | What You'll Learn                                  |
| ----------------------------------------------------- | -------------------------------------------------- |
| [What is Cash City?](/game-overview/game-overview.md) | The core loop and how the game works               |
| [Firms](/game-overview/firms.md)                      | Buying, upgrading, and managing your Firms         |
| [Interns](/game-overview/interns.md)                  | Rarity tiers, Efficiency, and gacha pack mechanics |
| [$CASH Token](/tokenomics/tokenomics.md)              | The in-game token and how it works                 |
| [The Earning Formula](/economy/economy.md)            | How your share of emissions is calculated          |
| [Referral Program](/economy/referrals.md)             | Invite codes and multi-tier Referral rewards       |

***

### Built by Longwood Labs

Cash City is developed by [Longwood Labs](https://longwoodlabs.com), the team behind DeFi Dungeons and The Heist.

**Links**\
[Website](https://cashcity.fun) · [X (Twitter)](https://x.com/cashcitydotfun) ·&#x20;


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://docs.cashcity.fun/readme.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.