SimCity Classic (Micropolis Web)

Will Wright's genre-defining 1989 city builder open-sourced and running natively in browser HTML5.

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Free 1-Click Play • Verified Direct Origin • Zero Install

About & Technical Architecture

Micropolis is the open-source version of the original SimCity, released under the GPL by Don Hopkins and Will Wright. This browser port compiles the C simulation core into WebAssembly, rendering cellular automata city traffic, pollution dynamics, and crime maps smoothly.

SimCity is a trademark of Electronic Arts. Micropolis is an open-source version released under the GPLv3 with permission from EA.

Keybindings & Input Configuration

Action	Input / Key	Supported Device
● Select Tool and Zone/Build	`Left Click`	Keyboard
● Query Building Information	`Right Click`	Keyboard
● Action	`Speed controls in top bar.`	Keyboard

Frequently Asked Questions & Save Tips

How does SimCity Classic (Micropolis Web) run in a web browser without downloading? ▾

SimCity Classic (Micropolis Web) is powered by Micropolis C / WebAssembly Canvas. It executes code directly inside modern browsers via WebAssembly (WASM) and WebGL 2.0 with hardware acceleration and 60 FPS performance.

How does the save system work and how do I back up my progress? ▾

Game progress is handled through Browser LocalStorage/IndexedDB. Save states are stored inside your browser's private IndexedDB sandbox. Avoid clearing browser cache or cookies to preserve your saves.

Can I use a USB or Bluetooth controller with SimCity Classic (Micropolis Web)? ▾

This port is currently tailored for keyboard and mouse navigation.

Is playing SimCity Classic (Micropolis Web) on PortedToBrowser legal and safe? ▾

Yes. PortedToBrowser.com indexes open-source engine decompilations and verified web sandboxes. We do not host or distribute proprietary game ROMs or copyrighted binaries.