Brain Teasers and Puzzles

639 topics in this forum

1. Algebra

   By Achyut, May 13, 2020
   • 8 replies
   • 2.6k views
   • 
   • John Cuthber
   • May 14, 2020

2. Facts of developing games

   By Zhanetta, April 5, 2016
   • 10 replies
   • 2.6k views
   • 
   • TakenItSeriously
   • July 8, 2016

3. what's next?

   By carol, July 8, 2007
   • 10 replies
   • 2.6k views
   • 
   • Severian
   • July 9, 2007

4. fly and the train!!!

   By Mobius, September 23, 2005
   • 10 replies
   • 2.6k views
   • 
   • swansont
   • December 30, 2005

5. Translate

   By crzykllrghst, April 7, 2005
   • 9 replies
   • 2.6k views
   • 
   • YT2095
   • April 8, 2005

6. Impossible Quizz

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

7. complexities

   By Norman Albers, April 9, 2009
   • 4 replies
   • 2.6k views
   • 
   • charmeddvd123
   • July 28, 2009

8. Not really a brainteaser, but oh well

   By The Thing, December 21, 2005
   • 7 replies
   • 2.6k views
   • 
   • m4rc
   • March 19, 2006

9. intelligence test

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

10. The Playing with Yourself Paradox

    By MSC, October 2, 2020
    • 9 replies
    • 2.5k views
    • 
    • MSC
    • October 3, 2020

11. Nine cars in eight spaces

    By herpguy, May 6, 2006
    • 10 replies
    • 2.5k views
    • 
    • mark2123
    • May 29, 2006

12. card game

    By psi20, June 10, 2005
    • 13 replies
    • 2.5k views
    • 
    • psi20
    • July 1, 2005

13. instructions

    By herpguy, December 7, 2005
    • 8 replies
    • 2.5k views
    • 
    • DaveC426913
    • July 27, 2006

14. Shortest Path ?

    By Commander, February 7, 2019
    • 3 replies
    • 2.5k views
    • 
    • Commander
    • July 14, 2019

15. Outsmart the question

    By hyperlight49, January 30, 2005
    • 9 replies
    • 2.5k views
    • 
    • White Rabbit
    • July 12, 2007

16. Riddle!

    By Oddity, November 18, 2007
    • 8 replies
    • 2.5k views
    • 
    • hmmrn
    • January 3, 2008

17. 4 questions

    By FunkyAce07, November 28, 2012
    • 11 replies
    • 2.5k views
    • 
    • John Cuthber
    • January 7, 2013

18. String Game

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

19. symbolic language used for an equation

    By Tom O'Neil, November 1, 2016
    • 11 replies
    • 2.5k views
    • 
    • AbstractDreamer
    • December 1, 2016

20. Not really a puzzle or anything just something i like to think about.

    By Wiggle, May 31, 2005
    • 14 replies
    • 2.5k views
    • 
    • gnpatterson
    • June 29, 2005

21. The infinite Hotel Paradox - a question.

    By koti, December 21, 2016
    • 8 replies
    • 2.5k views
    • 
    • Delta1212
    • December 23, 2016

22. Tricks

    By gwiyomi17, May 24, 2013
    • 7 replies
    • 2.5k views
    • 
    • Ihcisphysicist
    • September 8, 2013

23. Cryptogram?

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

24. Anagrammatize (The Above Post)

    By MonDie, December 28, 2014
    • 7 replies
    • 2.5k views
    • 
    • Commander
    • January 17, 2015

25. An oldie.

    By Franklin, September 1, 2005
    • 10 replies
    • 2.5k views
    • 
    • Kingpin1989
    • October 16, 2005