Strictly speaking, it's not a clone... It's a port. SimCity for XWindows, released as Micropolis under the GPL: https://code.google.com/p/micropolis/ https://c

Strictly speaking, it's not a clone... It's a port. SimCity for XWindows, released as Micropolis under the GPL: https://code.google.com/p/micropolis/ https://code.google.com/p/micropolis/ Ported to JavaScript: https://github.com/graememcc/micropolisJS https://github.com/graememcc/micropolisJS Ported to 3d: https://github.com/lo-th/3d.city https://github.com/lo-th/3d.city