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Hardest Puzzles

This page displays the puzzles considered to be hardest on the site. Try some of these puzzles for a real challenge!

Please note that this page does not include the Unsolved Mysteries (Puzzles which have never been solved).

Title Author Style Created
Nine Sevens karill FreeStyle Sep 12, 2007
all about this Anonymous Overlap Apr 12, 2007
Panto Pandemonium Anonymous FreeStyle Dec 11, 2006
Strange Shape Jeorge Pento Nov 16, 2006
Pento Puzzler #5025 Anonymous Pento May 1, 2009
Overlap Puzzler #2966 halo3 Overlap Dec 20, 2007
Pento Puzzler #8686 Anonymous Pento Oct 28, 2016
Pento Puzzler #3439 Anonymous Pento Apr 1, 2008
un carré parfait (^_^) FreeStyle Jul 17, 2007
FreeStyle Puzzler #7379 pafrevert FreeStyle Aug 14, 2011
Pento Puzzler #4892 Flaky465 Pento Apr 23, 2009
The odd block yoi55 Overlap Feb 4, 2008
karill test puzzler 2 karill FreeStyle Sep 13, 2007
Overlap Puzzler #3647 Danni Overlap Jun 4, 2008
NineNineNine karill FreeStyle Jun 11, 2007
FreeStyle Puzzler #8027 koolaidguy FreeStyle Jan 3, 2013
Pento Puzzler #4175 Anonymous Pento Feb 12, 2009
Tetra Puzzler #4276 ben Tetra Mar 4, 2009
Oddities Xandria FreeStyle Nov 29, 2006
Pento Puzzler #7619 boredlol Pento Jan 13, 2012

Hardest Tri Puzzlers     Hardest Tetra Puzzlers     Hardest Pento Puzzlers
Hardest Free Style Puzzlers     Hardest Overlap Puzzlers


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