
Description: Cities: Skylines is a popular city-building simulation video game developed by Colossal Order and published by Paradox Interactive. Players act as city planners and managers, building functional cites from the ground up by managing aspects like zoning, transportation, infrastructure, and public services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Citystate is a free, open-source city-building game where you design and run a city from the stone age to the future. It has retro graphics and gameplay reminiscent of classic city builders from the 90s.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API