Brain Teasers and Puzzles

653 topics in this forum

1. tesseract's riddles thread

   By Tesseract, February 15, 2005
   • 21 replies
   • 6.4k views
   • 
   • Pre4edgc
   • February 28, 2007

2. The Riddles Thread 1 2 3

   By MolecularMan14, August 28, 2004
   • 50 replies
   • 12k views
   • 
   • Pre4edgc
   • February 28, 2007

3. Riddle

   By Endorpheus, December 22, 2006
   • 6 replies
   • 2.4k views
   • 
   • Lowemack
   • February 6, 2007

4. question?

   By playdo, January 18, 2007
   • 19 replies
   • 3.7k views
   • 
   • Rocket Man
   • January 26, 2007

5. figure it out

   By playdo, January 16, 2007
   • 4 replies
   • 1.7k views
   • 
   • bottomline
   • January 24, 2007

6. craziness! 1 2

   By playdo, January 12, 2007
   • 33 replies
   • 4.9k views
   • 
   • playdo
   • January 17, 2007

7. # pattern

   By playdo, January 12, 2007
   • 2 replies
   • 1.5k views
   • 
   • playdo
   • January 12, 2007

8. codemessage

   By playdo, January 11, 2007
   • 9 replies
   • 1.8k views
   • 
   • playdo
   • January 12, 2007

9. Crypto-like puzzle

   By IAG, January 7, 2007
   • 6 replies
   • 1.9k views
   • 
   • IAG
   • January 8, 2007

10. My brain hurts, not kidding

    By ecoli, November 9, 2006
    • 20 replies
    • 4.5k views
    • 
    • Drilon
    • December 27, 2006

11. Mrs Tilly

    By aj47, October 24, 2006
    • 12 replies
    • 10.1k views
    • 
    • the tree
    • December 22, 2006

12. Bus For Alaska

    By somebady, December 5, 2006
    • 1 reply
    • 1.3k views
    • 
    • ecoli
    • December 5, 2006

13. Wooden blocks

    By blackhole123, November 27, 2006
    • 5 replies
    • 2.2k views
    • 
    • J.C.MacSwell
    • November 27, 2006

14. Coupons equation

    By -Demosthenes-, October 25, 2006
    • 4 replies
    • 1.7k views
    • 
    • uncool
    • November 2, 2006

15. Paper Boat.

    By Midnight, September 27, 2006
    • 2 replies
    • 2.1k views
    • 
    • Midnight
    • September 28, 2006

16. Spider and Fly problem

    By psi20, June 21, 2006
    • 13 replies
    • 6.3k views
    • 
    • uncool
    • September 24, 2006

17. 4d and 5d rubik's cubes

    By abskebabs, June 12, 2006
    • 15 replies
    • 3.8k views
    • 
    • Ormy
    • September 12, 2006

18. Super-Mega-Huge-Ginormous RIDDLE! 1 2 3

    By kaos, August 13, 2006
    • 64 replies
    • 9.9k views
    • 
    • hgupta
    • September 9, 2006

19. Name the Play. 1 2

    By JohnB, August 21, 2006
    • 28 replies
    • 4.4k views
    • 
    • Phi for All
    • August 24, 2006

20. learn your 11-20 times tables

    By CanadaAotS, August 16, 2006
    • 4 replies
    • 13.2k views
    • 
    • Callipygous
    • August 20, 2006

21. Grid trick 1 2

    By rust8y, April 23, 2006
    • 29 replies
    • 7k views
    • 
    • CanadaAotS
    • August 16, 2006

22. stupid thing thats bothering me

    By blackhole123, June 21, 2006
    • 13 replies
    • 3.4k views
    • 
    • CanadaAotS
    • August 16, 2006

23. instructions

    By herpguy, December 7, 2005
    • 8 replies
    • 2.8k views
    • 
    • DaveC426913
    • July 27, 2006

24. difficult encryption

    By Dak, August 12, 2005
    • 5 replies
    • 2.5k views
    • 
    • Dak
    • July 21, 2006

25. Encryption

    By insane_alien, July 9, 2006
    • 4 replies
    • 1.7k views
    • 
    • hgupta
    • July 20, 2006