
Description: Innotoria Tower Defense is a tower defense game with simple graphics and gameplay. Players build various towers to prevent enemies from reaching the end of the path. There are multiple levels across different environments to beat. It's a free browser game good for passing short amounts of time.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Microbes Defense is an educational video game that teaches players about germs, the immune system, and staying healthy. Players battle invading germs and viruses to defend the body.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API