
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Lineup Puzzle is a free online logic game where players try to deduce the order of a shuffled lineup of characters based on logical rules and clues provided. The aim is to figure out the correct order of the sequence in as few tries as possible.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API