Brain Teasers and Puzzles

647 topics in this forum

1. How is this possible?

   By questionposter, March 23, 2012
   • 4 replies
   • 1.6k views
   • 
   • John Cuthber
   • March 28, 2012

2. Riddles, riddles, RIDDLES AND MORE

   By *puffy* japanisthebest, February 7, 2012
   • 3 replies
   • 3.2k views
   • 
   • raj bhramar
   • March 28, 2012

3. Valley of the green glass doors

   By questionposter, March 23, 2012
   • 9 replies
   • 2k views
   • 
   • questionposter
   • March 27, 2012

4. Gaming trap

   By morgsboi, March 25, 2012
   • 3 replies
   • 1.9k views
   • 
   • questionposter
   • March 26, 2012

5. One of the hardest puzzles

   By questionposter, March 23, 2012
   • 11 replies
   • 2k views
   • 
   • John Cuthber
   • March 25, 2012

6. Gambling

   By questionposter, March 23, 2012
   • 6 replies
   • 1.6k views
   • 
   • Phi for All
   • March 24, 2012

7. Explorer encounters an isolated tribe

   By questionposter, March 23, 2012
   • 5 replies
   • 1.8k views
   • 
   • questionposter
   • March 24, 2012

8. Special room

   By questionposter, March 23, 2012
   • 12 replies
   • 2.1k views
   • 
   • questionposter
   • March 23, 2012

9. Recuurence of an event

   By sarahenry, October 15, 2011
   • 9 replies
   • 2.4k views
   • 
   • John Cuthber
   • March 23, 2012

10. What is this?

    By zapatos, March 5, 2012
    • 0 replies
    • 1.1k views
    • 
    • zapatos
    • March 5, 2012

11. How much faster is my car than yours?

    By Divagating the Future, February 26, 2012
    • 16 replies
    • 2.4k views
    • 
    • Spyman
    • March 5, 2012

12. my Cool Brain teaser game!

    By MartinK84, February 27, 2012
    • 3 replies
    • 2k views
    • 
    • CaptainPanic
    • March 2, 2012

13. Your favorite logic puzzles 1 2 3

    By Antti, February 2, 2012
    • 63 replies
    • 9.4k views
    • 
    • Spyman
    • February 29, 2012

14. A riddle

    By md65536, August 20, 2011
    • 13 replies
    • 3.2k views
    • 
    • Phi for All
    • February 28, 2012

15. Togetherness

    By hypervalent_iodine, February 24, 2012
    • 12 replies
    • 2.4k views
    • 
    • hypervalent_iodine
    • February 28, 2012

16. what's the answer?

    By First↔Cause ♀, February 12, 2012
    • 23 replies
    • 4.4k views
    • 
    • Phi for All
    • February 28, 2012

17. Can you figure out each man's field?

    By Divagating the Future, February 16, 2012
    • 18 replies
    • 3.7k views
    • 
    • Divagating the Future
    • February 28, 2012

18. Variation of the blue-eyed islanders puzzle.

    By md65536, February 15, 2012
    • 1 reply
    • 1.9k views
    • 
    • md65536
    • February 28, 2012

19. co-orninates

    By buttercup2daisy1, February 21, 2012
    • 5 replies
    • 7.7k views
    • 
    • buttercup2daisy1
    • February 26, 2012

20. Quiz

    By rigney, February 10, 2012
    • 6 replies
    • 1.7k views
    • 
    • rigney
    • February 10, 2012

21. Black and Red

    By rigney, February 3, 2012
    • 1 reply
    • 1k views
    • 
    • rigney
    • February 8, 2012

22. The Bus Driver

    By megachirops, February 4, 2012
    • 4 replies
    • 8.3k views
    • 
    • searchingfortruth
    • February 6, 2012

23. Which door should you take? 1 2 3

    By TonyMcC, January 8, 2011
    • 67 replies
    • 17.8k views
    • 
    • rigney
    • January 29, 2012

24. A brain teaser

    By NotanOriginalName, January 24, 2012
    • 5 replies
    • 3.4k views
    • 
    • michel123456
    • January 25, 2012

25. Terahertz Shielding

    By Citizen, July 27, 2010
    • 12 replies
    • 3.3k views
    • 
    • John Cuthber
    • January 18, 2012