
Description: Cube 2: Sauerbraten is a free and open source first person shooter game with a focus on online multiplayer gameplay. It features both deathmatch and cooperative modes, and allows players to customize maps, characters, and game modes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Xonotic is a free, open-source first-person shooter video game. It features crisp graphics, fast-paced arena gameplay, and advanced movement mechanics like bunny hopping and rocket jumping. Xonotic supports Windows, macOS, and Linux.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API