
Description: Sudoku.Vip is a free online sudoku game website and app that allows users to play unlimited sudoku puzzles. It has various difficulty levels, lets you save puzzles, provides hints, and keeps track of time and errors.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: USB Sudoku is a portable sudoku game that can run directly from a USB flash drive without needing to be installed. It features a simple, no-frills interface for playing classic sudoku puzzles ranging from easy to hard difficulty levels.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API