Brain Teasers and Puzzles

639 topics in this forum

1. Cryptogram?

   By perrito, May 1, 2006
   • 3 replies
   • 2.5k views
   • 
   • DaveC426913
   • May 12, 2006

2. Time and date trivia

   By Franklin, May 1, 2006
   • 5 replies
   • 2.3k views
   • 
   • Franklin
   • May 1, 2006

3. grid numbers

   By rust8y, April 23, 2006
   • 0 replies
   • 6.3k views
   • 
   • rust8y
   • April 23, 2006

4. Grid trick 1 2

   By rust8y, April 23, 2006
   • 29 replies
   • 6.4k views
   • 
   • CanadaAotS
   • August 16, 2006

5. Heres A Brain Buster! 1 2

   By theMaharajah, April 6, 2006
   • 49 replies
   • 7.1k views
   • 
   • Phi for All
   • May 5, 2006

6. Subliminal Messages!

   By WaR, March 16, 2006
   • 21 replies
   • 6.2k views
   • 
   • jame334
   • June 26, 2008

7. Albert's Dogs

   By aj47, March 5, 2006
   • 2 replies
   • 1.6k views
   • 
   • aj47
   • March 6, 2006

8. Two guards question...

   By JonM, February 23, 2006
   • 8 replies
   • 2.7k views
   • 
   • Sisyphus
   • February 28, 2006

9. Some awesome puzzles

   By Cyrix, February 19, 2006
   • 1 reply
   • 2.8k views
   • 
   • aceman
   • February 24, 2006

10. Egg Laying

    By SilentQ, February 6, 2006
    • 8 replies
    • 2.1k views
    • 
    • NPK
    • February 8, 2006

11. Can it really read your mind?

    By Democomputer, February 5, 2006
    • 3 replies
    • 1.8k views
    • 
    • SilentQ
    • February 6, 2006

12. Puzzle

    By NPK, January 29, 2006
    • 23 replies
    • 3.8k views
    • 
    • Nevermore
    • February 3, 2006

13. Trivia

    By Franklin, January 24, 2006
    • 16 replies
    • 3.2k views
    • 
    • hotcommodity
    • March 1, 2006

14. fill in the blank

    By aguy2, January 20, 2006
    • 0 replies
    • 1.2k views
    • 
    • aguy2
    • January 20, 2006

15. The Blind Mathematician

    By Miss Perfect, January 18, 2006
    • 11 replies
    • 3k views
    • 
    • Miss Perfect
    • January 20, 2006

16. This is also a bit fishy...

    By Ferdinand, January 17, 2006
    • 2 replies
    • 1.6k views
    • 
    • ski_power
    • January 17, 2006

17. code - can you figure it out? 1 2

    By Connor, January 13, 2006
    • 48 replies
    • 20.6k views
    • 
    • LaurieAG
    • August 30, 2012

18. Number pattern puzzle

    By NPK, January 11, 2006
    • 8 replies
    • 2.5k views
    • 
    • Callipygous
    • January 21, 2006

19. How is .999... = 1? 1 2

    By herpguy, January 4, 2006
    • 49 replies
    • 8.3k views
    • 
    • Ragib
    • May 2, 2006

20. What is the next number in this pattern?

    By NPK, January 2, 2006
    • 15 replies
    • 2.3k views
    • 
    • NPK
    • January 15, 2006

21. Find the number in this line

    By Trond, January 1, 2006
    • 14 replies
    • 2.4k views
    • 
    • smile_pls
    • January 21, 2006

22. String Game

    By Kyle, December 31, 2005
    • 3 replies
    • 2.5k views
    • 
    • Mart
    • January 2, 2006

23. Riddles

    By zking786, December 28, 2005
    • 5 replies
    • 2.2k views
    • 
    • zking786
    • December 29, 2005

24. Maximum Limit

    By johny321, December 26, 2005
    • 2 replies
    • 1.5k views
    • 
    • johny321
    • December 26, 2005

25. The 4-equations

    By Trond, December 24, 2005
    • 3 replies
    • 1.3k views
    • 
    • Trond
    • December 24, 2005