|
|
Rubik's Riddles
A selection of different tasks to beat Rubik.
http://www.rubiks.com/riddles.html
Riddle Planet
A contest with twenty-five riddles per each classified round with a money prize for the first person to solve them all.
http://www.mtgplanet.com/riddleplanet
Riddles at Funtestiq
Interesting riddles served to you automatically.
http://www.funtestiq.com/riddlesanswers/riddles.shtml
Spreadsheet Jokes
A bunch of riddles on spreadsheet programs.
http://www.j-walk.com/ss/jokes/riddles.htm
Sureshot Riddles
A fun and challenging collection of logic riddles and sequences.
http://www.sureshotsoftware.com/riddles/
RiddleAday
Riddles, puzzles and brain teasers to challenge and entertain all ages. [E-mail lists]
http://www.riddleaday.com/
Harder Riddles
Some harder riddles marked with stars to identify the degree of difficulty of each riddle. Accompanied with answers.
http://puzzle.dse.nl/harder/index.html
Self-Referential Sentences
Exhaustive lists of "This sentence has three a's" sentences.
http://home.att.net/~rhhardin/selfref.html
Gallery of Mathematics / Self-referential Sentences
Produced by Andy Burbanks. Good explanation with examples.
http://info.lut.ac.uk/departments/ma/gallery/selfref/index.h...
Solve my base three numerical self-referential sentences puzzle!
The object of this difficult puzzle is to make four sentences mutually truthful by filling in base three numbers.
http://www.olympus.net/personal/dewey/puzzle.html
|
 |
|
