
Description: Junk Jack is a 2D sandbox game with gameplay similar to Terraria and Minecraft. It features open-ended sandbox gameplay with randomly generated worlds to explore, crafting systems, survival mechanics, and combat against various monsters.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Minetest is an open source voxel game engine. It is similar to Minecraft and allows players to explore procedurally generated 3D worlds and build anything they can imagine using blocks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API