
Description: OpenTTD is an open source simulation and tycoon game where players transport goods and passengers by rail, road, air, and water. The goal is to grow your transport company by building transport routes and infrastructure.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Simutrans is an open-source transportation simulation game where players build and manage transport systems like railroads, roads, airports and shipping lines. The goal is to establish functioning transit networks and turn a profit.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API