# Shitty Cities Each Shitty City is a customizable ARC19 Algorand NFT which means they can be updated using the Shitty City Builder! There are 500 total cities. There will never be any more than this. Each Shitty City can contain up to 9 [Shitty City Blocks](https://docs.shittykitties.art/collections/shitty-city-blocks). Rarity rankings of the collection will change as holders update their cities with different blocks. ### Shitty City Builder Using the City Builder, the Shitty City Blocks you've collected can be added to your Shitty City NFT! Here is a walkthrough video on how it works! {% embed url="" %} ### City Rating The internal City Rating of your Shitty City is based on it's Rarity Score as calculated on the site. ``` Rarity Score = 1 รท([Number of Items With That Trait Value] /[Total. Number of Items in Collection]) ``` ### Max Population Based on how many Shitty City Blocks are in your Shitty City as well as your city's City Rating. * 1-2 Blocks = 2 kitties * 3-5 Blocks = 5 kitties * 6-8 Blocks = 10 kitties * 9 Blocks = 20 kitties **City Rating multiplier:** You earn a bonus multiplier based on your City Rating. ### Living in the cities Shitty Kitties can live in each Shitty City. Each kitty living in a city will generate treats for the city every 24 hours based on the Rarity, Level of the kitty, and the city's City Rating. * Base Amount: 2 treats per day * Level 1-2: 2 treats * Level 3-4: 4 Treats * Level 5-6: 6 Treats * Level 7-8: 8 Treats * Rank 1-10 Kitties: 10 Treats * Rank 11-100 Kitties - 6 Treats * Legendary Fourth Litter Kitties - 15 **City Rating multiplier:** You earn a bonus multiplier based on your City Rating. --- # Agent Instructions: 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: ``` GET https://docs.shittykitties.art/collections/shitty-cities.md?ask= ``` The question should be specific, self-contained, and written in natural language. 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.