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Hardest Teasers

These brain teasers have been voted as the most difficult. Only teasers with at least 20 votes are shown. Good luck solving them!

Brain Teasers

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  Title Popularity Difficultyv Submitted  
16 Rex and Ralph: Mystery Number *** **** 02/02/09 by javaguru
17 World of Nerds *** **** 11/22/11 by Gizzer
18 Doubling Dice Game *** **** 02/09/09 by javaguru
19 Prisoners and 2 Switches - Scenario A *** **** 06/24/04 by biztycl
20 Hail to the Chef *** **** 06/02/05 by cinnamon30
21 Rex and Ralph: Polygonal House *** **** 01/28/09 by javaguru
22 12-digit Oddities *** **** 01/05/09 by javaguru
23 28-Tile Scrabble *** **** 02/19/03 by griphook
24 Birthday Line *** **** 11/24/02 by something
25 Play Ball! *** **** 03/28/06 by thompson1
26 Cryptic Bones *** **** 04/13/16 by dalfamnest
27 Disney Fans' Pets *** **** 04/06/05 by Rebeca
28 Slam Dunk *** **** 06/09/06 by cnmne
29 Lots of Flight! *** **** 05/15/06 by Jim1029
30 Five Cards *** **** 06/17/04 by Poker




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