
Description: NullpoMino is an open-source, minimalistic block-dropping game inspired by the popular Tetris series. It features fun, fast-paced gameplay, various rotation systems and modes like SRS and ARS, custom keybindings, online battle multiplayer, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Quadrapassel is a falling block puzzle game inspired by the classic Tetris. It features various single player modes like Marathon and 40 Lines as well as multiplayer over the internet. With colorful, accelerated graphics and upbeat music, it offers an enjoyable modern take on block falling puzzle games.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API