
Description: RocketBall.io is a free-to-play multiplayer soccer game with pixel graphics and 2D physics, available in web browsers. Players control wheeled vehicles to strike and pass around a ball in order to score goals.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Diep.io is a free online multiplayer tank battle game. Players control tanks and compete to shoot and destroy opponents while defending their own tank. Customizable tank upgrades are gained through leveling up and farming shapes on the map.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API