Citybound: A Million-Life City Sim

2025-08-15

Citybound is an ambitious open-source city builder that uses microscopic models to vividly simulate a city organism arising from the interactions of millions of individuals. Each household (family or business) is individually simulated, managing its own resources and trading to meet needs, leading to emergent economic patterns. The game features microscopic traffic simulation, haptic collaborative planning, and innovative technology like an actor-based distributed simulation engine and a Rust-WASM-JS bridge. Citybound aims to simulate massive cities with millions of inhabitants, featuring real-time interactive editing and community collaboration.

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