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

# Petdoku

Petdoku is a simple puzzle game where the player puts given block shapes on the board. Players aim to make horizontal or vertical lines to make blocks disappear and gain Pethereum Crystals. If a player fails to put all blocks given on the board, the game is over.

<figure><img src="/files/Etk5susw5csKHr4kYlDi" alt=""><figcaption></figcaption></figure>