| Forum name |
Topics |
Posts |
Last post |
| riddles |
 |
easy
|
2820 |
28391 |
Today at 10:27am by towr |
 |
medium
|
1691 |
15612 |
May 20th, 2013, 11:06am by rmsgrey |
 |
hard
|
756 |
10769 |
Sep 16th, 2012, 6:09am by pex |
 |
what am i
what am i / who am i puzzles, typically in rhyme
|
1029 |
602 |
May 14th, 2013, 9:25pm by imisa |
 |
what happened
lateral thinking "what happened" puzzles
|
713 |
13719 |
May 30th, 2009, 12:11pm by Benny |
 |
microsoft
estimating large quantities, why are manholes round, etc.
|
106 |
1356 |
Sep 11th, 2012, 4:24am by sanhas |
 |
cs
computer science and programming
|
1826 |
14875 |
Dec 24th, 2012, 1:06pm by towr |
 |
putnam exam (pure math)
requires some formal math training to understand
|
450 |
3534 |
May 21st, 2008, 4:58am by william wu |
 |
suggestions, help, and FAQ
please help me improve the site
|
7 |
38 |
May 4th, 2013, 10:45pm by marsa |
 |
general problem-solving / chatting / whatever
casual chatting, problem-solving strategies
|
803 |
8758 |
May 9th, 2013, 5:44am by venkatsha |
| general |
 |
guestbook
leave a signature; general website feedback (comments, suggestions)
|
90 |
779 |
Apr 25th, 2013, 4:13am by lovish |
 |
truth
interesting world history
|
74 |
2243 |
May 20th, 2013, 2:04am by Robertirwing |
 |
complex analysis
|
78 |
408 |
Apr 19th, 2009, 6:40pm by Eigenray |
 |
wanted
requests for things needed; favor exchange token economy
|
103 |
586 |
Feb 4th, 2012, 1:19pm by chrs1 |
 |
psychology
|
58 |
378 |
May 21st, 2013, 12:00am by rustic123 |
 |
chinese
ideograms, etymology, origins
|
14 |
234 |
May 3rd, 2013, 7:29pm by mwan7717 |