29+ Unsolved Internet Puzzles Images. This section of the website contains logical puzzles. Grigori perelman, a russian mathematician who lived in his mom's basement, solved poincare's conjecture, an unsolved problem since 1904.
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The newest and coolest puzzle games. Since 2000, only one has been solved. Many of the solutions to the 1995 mit puzzle hunt have been lost. Create, play, share jigsaw puzzles and compete with other users.

