
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: Fieldrunners is a series of tower defense strategy video games developed by Subatomic Studios. In the games, players build mazes of towers to defend against increasing waves of enemies trying to cross the playing field.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API