
Description: Platinum Arts Sandbox is a free, open-source 3D game maker and voxel editor. It allows users to create 3D games and virtual worlds easily without coding.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: RPG Paper Maker is an open source game editor that allows users to create 2D role-playing video games. It includes assets and features for designing environments, characters, items, quests, battles, and more. The editor outputs games playable in browser.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API