# NanoGenesis > NanoGenesis is a free browser-based idle game in which you grow a self-replicating nanobot swarm > until it can enclose a star in a Dyson sphere. It runs entirely client-side, needs no account, and > saves to the player's browser. The game is in beta. NanoGenesis is built by Mochacidal Industries, LLC. The mechanics, economy and progression are designed in-house; AI is used to turn that design into working code and artwork. The process is documented at https://mochacidal.com/how-we-use-ai. ## Play - [NanoGenesis](https://nanogenesis.mochacidal.com/): the game itself. Free, no download, no account required. Installable as a Progressive Web App and playable offline after first load. ## About the game - [How to play](https://nanogenesis.mochacidal.com/how-to-play): a guide to harvesting, refining, automating and wrapping a star, plus answers to common questions. - [Game overview](https://mochacidal.com/nanogenesis): what the game is, how a run plays, the star and element progression, screenshots, and a frequently-asked-questions section. - [How we use AI](https://mochacidal.com/how-we-use-ai): the development process behind the game. ## Reference - [Terms of service](https://nanogenesis.mochacidal.com/terms) - [Privacy policy](https://nanogenesis.mochacidal.com/privacy) - Contact: tech@mochacidal.com ## Optional - [Full text](https://nanogenesis.mochacidal.com/llms-full.txt): the game as plain text, without HTML. - [Sitemap](https://nanogenesis.mochacidal.com/sitemap.xml) ## Canonical notes - The game is in beta; balance and late-game content change between releases. - There is no advertising in the game at present. - Save data lives in the browser's local storage. An optional account exists only to sync saves across devices.