Tetravex II is a puzzle software specifically designed to solve the popular Eternity II TM puzzle. It can also be used to solve almost any other 16x16 edge matching puzzles. If you can solve Eternity II TM puzzle and be the first person on the planet who submitted the puzzle answer with the highest score, you will get $2 million!! Other than its lots of useful features, Tetravex II puzzle solver has a unique and fast solver algorithm built-in.