Sudoku IQ+ is described as 'The smartest Sudoku app with IQ tracking, Chaos Mode, and Daily Challenges. Track your cognitive improvement with every puzzle, compete on global leaderboards, and experience unique gameplay' and is a Puzzle Game in the games category. There are more than 25 games similar to Sudoku IQ+ for a variety of platforms, including Android, Windows, Android Tablet, iPad and Mac apps. The best Sudoku IQ+ alternative is LibreSudoku, which is both free and Open Source. Other Sudoku IQ+ like games are Gauguin, Open Sudoku, KSudoku and Sudoku Ninja.