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NumberDrop - A uniquely challenging math puzzle game.
Math Master - Brain Quizzes - Math Master is a free math quiz game designed for all ages!
Math Search - See posts, photos and more on Facebook.
HoDoKu - HoDoKu is a sudoku helper written in Java and available in English and German.
Griddition - Griddition is a challenging numbers puzzle where you must fill a grid with numbers, Sudoku-style.
USB Sudoku - A very small program for playing the original game of Sudoku.