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

# Introduction

<figure><img src="/files/mqu9rkJBunU50QqX4klz" alt=""><figcaption></figcaption></figure>

Chain of Legends is a play to earn NFT game that you can:

1. Buy a land, build a [CLEG token mine](/guides/buildings.md#cleg-token-mine) and start earning game tokens.
2. Directly sell tokens in exchanges or expand your empire by creating a [Stone mine](/guides/buildings.md#stone-mine) and an [Iron mine](/guides/buildings.md#iron-mine) to generate the resources that you need for your progress.
3. Build [barracks ](/guides/buildings.md#barracks)and train [troops](/guides/heroes.md). Explore the world, find [dungeons](/guides/adventures.md#dungeons), Kill monsters and collect treasuries. Troops gain experience and levels in every battle and [adventure](/guides/adventures.md).
4. Fight with other players to occupy [treasure island](/guides/adventures.md#treasure-island) and collect treasures. And defend the island you have occupied from other players' invasion. Fights are automated. Each user can use a strategy and set the formation of troops before the fight. And watch the battle replay.
5. There is a [Marketplace ](/guides/marketplace.md)where users can trade resources, troops and [lands](/guides/lands.md).
6. [Free to Play](/free-to-play.md): Each user can get a free mine and land with low mining speed and capacity. And also by a [referral program](/free-to-play.md#referral-program).