I did a lot of research before buying the electronic version and this game seems to be the best. Aside from the lack of a backlight, which I don't care about anyway, this one is great. Everything in the game is controlled with the stylus. Simply touch an empty slot with the stylus and touch the desired number in the slot. It is so easy. It has three game levels with an endless series of computer puzzles. It even has 400 pre-made unique puzzles. An added bonus is that you can take a puzzle from a newspaper or other source and paste it into the game to solve electronically.
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