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

# CryptoKitties Guide

## Welcome!

Welcome to the official [CryptoKitties ](https://www.cryptokitties.co)Guide, your one-stop-shop for all things CryptoKitties! Here you’ll find the basics on how to play the game as well as advanced tips and tricks to become a skilled breeder.

#### Getting Started

[This section](https://guide.cryptokitties.co/guide/getting-started) outlines the basics of how to play CryptoKitties: buying, breeding, selling, and siring.

#### Learn about Gas

Every action in CryptoKitties requires a Gas fee be paid to the Ethereum network. [This section](https://guide.cryptokitties.co/guide/gas) explains Gas and how it works.

#### Genes

Every Kitty’s appearance gets determined by its unique set of genes. [This section](https://guide.cryptokitties.co/guide/cat-features/genes) explains genes, how they work, and how they get passed on from parents to new Kitties.

#### Tips

A miscellaneous assortment of [handy tips and tricks](https://guide.cryptokitties.co/guide/tips) to bring your CryptoKitties game to the next level.

![](/files/-LNHbXw-ch5c_zGNLUQw)