
Description: Ruby Warrior is an open source game for learning Ruby programming. Players control a warrior traversing a tower, battling enemies and solving coding challenges in Ruby along the way.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Screeps is an open-source sandbox MMO RTS game for programmers, wherein players control colonies of robots that harvest energy and build structures automatically using JavaScript code.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API