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SynthCity

sandbox

SynthCity

Endless neon nights, behind the wheel.

Explore a procedurally streamed cyberpunk city in either drive or freeroam mode. City blocks, lights, and traffic regenerate around the player, so the sandbox has no score, win state, or fixed edge. Drive mode moves through the city and recovers after collisions, while freeroam provides independent movement and altitude control.

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Published
Jun 29, 2026

How to play

Controls

  • Move the mouse to look and use the wheel to change field of view.
  • Freeroam uses WASD, Shift, and R/F for altitude.
  • Drive uses W or Shift for speed, S to brake, Space to toggle autopilot, and mouse steering after autopilot is disabled.

Game features

  • Infinite procedural cyberpunk city streaming
  • Drive and freeroam sandbox modes
  • Local synthwave radio and layered city, traffic, engine, and crash audio

Current limitations

  • The current runtime requires keyboard, mouse, and pointer lock and has no touch gameplay controls.
  • Mode, seed, music, and effects settings are not persisted after leaving.
  • SynthCity retains its original engine-author credit to Jeff Beene.

Gameplay screenshot

A vehicle driving through SynthCity at night among procedural megastructures, traffic, and neon signs.
A vehicle driving through SynthCity at night among procedural megastructures, traffic, and neon signs.

Version history

  1. Version 0.1.0

    Initial release

    • Infinite procedural cyberpunk city streaming
    • Drive and freeroam sandbox modes
    • Local synthwave radio and layered city, traffic, engine, and crash audio

Keep playing

Frequently asked questions

Can I play SynthCity online for free?
Yes. SynthCity is free to play in a modern browser, with no download or installation required.
What kind of interactive game is SynthCity?
SynthCity is a sandbox interactive browser game. Explore a procedurally streamed cyberpunk city in either drive or freeroam mode. City blocks, lights, and traffic regenerate around the player, so the sandbox has no score, win state, or fixed edge. Drive mode moves through the city and recovers after collisions, while freeroam provides independent movement and altitude control.
How do I play SynthCity?
Move the mouse to look and use the wheel to change field of view.; Freeroam uses WASD, Shift, and R/F for altitude.; Drive uses W or Shift for speed, S to brake, Space to toggle autopilot, and mouse steering after autopilot is disabled.

Credits

  • engine-authorJeff Beene
  • publisherMetaWorldOS

Published and maintained by MetaWorldOS. We show release dates, current limitations, credits, and update history so this page reflects the game that is actually playable today.