Brain Teasers and Puzzles

639 topics in this forum

1. I need to decode this cryptogram 1 2

   By fd9, June 6, 2005
   • 27 replies
   • 5.6k views
   • 
   • calbiterol
   • June 8, 2005

2. I wanted to ask a question so I created an account!

   By Chickes, February 12, 2023
   • 6 replies
   • 821 views
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   • mistermack
   • February 12, 2023

3. I'm Brain Games Obsessed

   By rachida, May 19, 2009
   • 1 reply
   • 1.8k views
   • 
   • feign_ignorence
   • May 21, 2009

4. I've lost my marbles

   By psi20, November 24, 2004
   • 12 replies
   • 2.8k views
   • 
   • Callipygous
   • December 7, 2004

5. If we can drink a drink why can't we food a food?

   By HiMyNameIs......, July 16, 2017
   • 14 replies
   • 3.4k views
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   • Delta1212
   • July 29, 2017

6. Impossible Brain Teaser? 1 2

   By Luminal, July 25, 2007
   • 39 replies
   • 49.9k views
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   • imatfaal
   • November 14, 2011

7. Impossible Quizz

   By HOMER-16, November 10, 2009
   • 4 replies
   • 2.6k views
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   • japan rocks/andromeda
   • October 3, 2010

8. Insight Problem

   By daniton, May 26, 2013
   • 7 replies
   • 2.3k views
   • 
   • michel123456
   • May 29, 2013

9. insight problem 2

   By daniton, June 12, 2013
   • 3 replies
   • 1.5k views
   • 
   • daniton
   • June 14, 2013

10. instructions

    By herpguy, December 7, 2005
    • 8 replies
    • 2.6k views
    • 
    • DaveC426913
    • July 27, 2006

11. intelligence test

    By Norman Albers, May 25, 2007
    • 19 replies
    • 2.6k views
    • 
    • Norman Albers
    • June 11, 2007

12. Intelligence Test 1 2 3

    By Donut.Hole, April 24, 2008
    • 55 replies
    • 11k views
    • 
    • SBOMP
    • September 6, 2008

13. Is it Impossible? 1 2

    By foodchain, July 29, 2007
    • 49 replies
    • 9.8k views
    • 
    • hemantc007
    • August 18, 2009

14. Is the platypus a mammal ?

    By A for Alex, October 3, 2016
    • 9 replies
    • 2k views
    • 
    • J.C.MacSwell
    • October 4, 2016

15. item puzzles

    By ancient, May 17, 2022
    • 17 replies
    • 2.7k views
    • 
    • ancient
    • July 10, 2022

16. Jon's Message

    By Jadey12, June 17, 2007
    • 16 replies
    • 3k views
    • 
    • Pre4edgc
    • September 8, 2007

17. laaaaa

    By Kaytie11, February 13, 2008
    • 11 replies
    • 2.7k views
    • 
    • YT2095
    • February 14, 2008

18. Lake and alge.

    By Gness, July 6, 2011
    • 7 replies
    • 2.1k views
    • 
    • John Cuthber
    • August 1, 2011

19. Laser Switch

    By TimeSpaceLightForce, November 30, 2012
    • 15 replies
    • 2.9k views
    • 
    • TimeSpaceLightForce
    • September 1, 2013

20. Leaning tower

    By Genady, May 7, 2023
    • 5 replies
    • 741 views
    • 
    • Genady
    • June 5, 2023

21. learn your 11-20 times tables

    By CanadaAotS, August 16, 2006
    • 4 replies
    • 13.1k views
    • 
    • Callipygous
    • August 20, 2006

22. Legs, lot's of legs.

    By the tree, December 11, 2005
    • 12 replies
    • 2.9k views
    • 
    • cchea
    • December 12, 2005

23. LHC

    By sunshaker, December 14, 2014
    • 1 reply
    • 2k views
    • 
    • Sensei
    • December 20, 2014

24. Light bulbs puzzle

    By TimeSpaceLightForce, August 21, 2015
    • 13 replies
    • 2.8k views
    • 
    • Acme
    • August 24, 2015

25. logical paradox

    By ishmael, January 24, 2010
    • 14 replies
    • 10.5k views
    • 
    • Dekan
    • June 2, 2011