
Description: Crazy Sudoku is a fun and challenging sudoku puzzle game for Windows. It features a large variety of puzzles with different sizes and difficulty levels to keep players entertained.
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