
Description: Get Sudoku is a free sudoku puzzle game and solver. It generates endless sudoku puzzles to play with multiple difficulty levels. It also includes hints and an automatic solver to help you when you get stuck.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Simple MathDoku is a free, open-source math puzzle game for Windows. It generates sudoku-style logic puzzles using basic arithmetic operations instead of numbers. Simple MathDoku has customizable puzzle sizes and difficulty levels, making it great for learners of all ages.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API