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  1. Riddle: The Color of the Hat
  2. Riddle: Brothers Truth and Lie
  3. Riddle:Nickels
  4. Riddle: Thread timer
  5. Riddle: Buckets (beginner)
  6. Who Keeps Fish?
  7. Riddle: Barrel
  8. who's older? should be simple
  9. what am i??
  10. Circle, Triangle, Square
  11. Bucket Riddle #2
  12. Riddle: Birthday
  13. Of Counterfeit Coins & Balance Scales (challenging)
  14. Possible Question, Impossible Answer
  15. Of Doors and Guardians
  16. Why?
  17. The divided field
  18. Programming Riddle
  19. DON'T FORGET SPOILER TAGS!!! : Read This Before You Post In This Forum
  20. A Question of Philosophy? Metaphysics?
  21. Ok hear is an easy one
  22. Word Squares - I solved one!
  23. X=y
  24. Simple C Riddle
  25. Zeno's Paradox
  26. Lillies (easy)
  27. The Judge and the Prisoner
  28. Mountains and Hunt all day
  29. Boxes riddle
  30. Bags of Cash
  31. Air Plane
  32. Three Card Stud
  33. Birthday Wager
  34. Non-Mathematical Brain Teasers (mostly)
  35. Monty Hall
  36. Simple Math Riddle
  37. Potpourri Quiz
  38. Three Guys go out to lunch...
  39. Try your luck
  40. Figure out my poem
  41. Frustrating questions
  42. Fun with Aminals!!!! (and refridgerators)
  43. The Riddle of the Barbers
  44. Mystery of the digital clock
  45. Two Lateral Logic Puzzles
  46. ODN Forum Mystery?
  47. Pattern Game!
  48. Pattern Puzzle
  49. Riddle me
  50. Jumbled Letters
  51. Name that Puzzle!
  52. Poetic Riddle
  53. Riddle of the Execution
  54. what is black and white and read all over?
  55. The Honest Barkeep
  56. A little puzzle...
  57. Strange Car Chase
  58. Poem Puzzle
  59. Last chance to guess who my avatar is ...
  60. Random Coin Flips or Not?
  61. Logic test for dummies
  62. Random T-F Quiz
  63. Short Riddle.
  64. Where's The Dollar?
  65. Fido will read your mind!
  66. The "Ultimate" IQ test
  67. Building Bridges
  68. Rhyme Riddles
  69. Maths puzzle
  70. Tricky Word Quiz
  71. Lincoln the Facts Together
  72. Bankruptcies vs ipods
  73. How many triangles?
  74. One Light Bulb and . . . 4 light switches?
  75. Math proofs
  76. Birds of a feather
  77. Try This!!!!
  78. kinda silly..
  79. How Smart is Your Right Foot?
  80. What color hat?
  81. Explain to the blonde why this works....
  82. A Riddle
  83. riddle me this....
  84. Sequence
  85. Riddle
  86. Poetic Riddles
  87. Three Cards
  88. Mystery of the Water Bridge
  89. How much does everyone know about codes?
  90. Some Kinda Useless Trivia Game
  91. All Number are Equal
  92. Logic Puzzle!
  93. Logic is Wrong!
  94. Take an apple
  95. A man walked into a bar
  96. Sequence
  97. Math Problem
  98. head scratcher
  99. Male or female?
  100. Here's one for you!
  101. Math game
  102. Want to make a proof?
  103. Classic logic problem
  104. More classic logic...
  105. We Three Cards
  106. Masters of Logic
  107. True/False Quiz #427
  108. Clockers
  109. Celebrities-in-their-Youth Quiz
  110. Two Envelopes
  111. Lateral Puzzles!
  112. Which way is the bus traveling?
  113. Multiple odds
  114. Pirate Gold
  115. A Horse of a Different Color
  116. Infinte Mirrors Paradox
  117. Travelocity
  118. Separated Ropes
  119. The occulus
  120. Vector Calc problems
  121. Mirror, Mirror...
  122. Barber Riddle
  123. Vowels Riddle
  124. Day longer than a Year
  125. Money Riddle
  126. Fishing Riddle
  127. Hat Riddle
  128. A couple Of Riddles
  129. Riddle :D
  130. I Will REP Whoever Answers This First
  131. True or false?
  132. Sequence
  133. Where'd It Go?
  134. 4 Simple questions
  135. naked guy
  136. Coin game
  137. Recursion
  138. Execution Puzzle
  139. Light Bulb Durability Test
  140. True/False Logic Test
  141. Rearranging Books
  142. Pascal's Pyramids
  143. Hotel Bill
  144. Random questions
  145. The Ghost paradox
  146. 52 Cards
  147. How to win at Blackjack
  148. Fun with Words
  149. Into the Desert
  150. Word search puzzles.
  151. Seriously...the directions question
  152. The Mirror Paradox
  153. Physics problem
  154. Locked Box
  155. Mind Trap's
  156. Physics Problems, Calculus edition
  157. Brain games at lumosity.
  158. Math question
  159. Proving 1 = .99.. + a test
  160. Basic hydrodynamic problem
  161. Surface Area of a Sphere
  162. Square/cubic subdivision
  163. Weight of coins riddle
  164. The hardest logical puzzle in the world
  165. three coin riddle
  166. Three door riddle - the Monte Hall riddle
  167. 12 ball puzzle
  168. “Logic is the beginning of wisdom, not the end.”
  169. True, False and Random revisited
  170. Sorting alogorithm
  171. Programming Problems!!!1!!
  172. Mind Reading
  173. Stickittothemaneosis
  174. Decode this message
  175. Decode this message
  176. Analysis question
  177. Ball-catching game
  178. Integral of an odd function
  179. Crossword Clues
  180. Logic Question
  181. How is a raven like a writing desk?
  182. Hypothesis testing and Terrorism
  183. Hypothetical Questions on Infinity
  184. Hypothetical Questions on Infinity 2
  185. A Wolf, A Rabbit and a Carrot
  186. The Disappearing Dollar
  187. 26 balls
  188. Are there just as many true statements as false statements?
  189. Birthday Paradox
  190. Proving a negative
  191. Graph Problem
  192. Mafia games
  193. Round Table Negotiation
  194. I sqwidword sucks eggs in spongebob then how would he get eggs.
  195. Exponential growth question
  196. Fun Math Question
  197. Someguys Random Logic Puzzles
  198. Nobody leave the room!
  199. Modal logic / Possible world hijinx?
  200. Trains!
  201. Where did the extra dollar go?
  202. Some logical proofs to try on for size!
  203. Number theory problem
  204. Prime numbers
  205. Multiples of 12
  206. Interest rate puzzle: How much is left?
  207. Interest rate puzzle #2
  208. Interest rate puzzle #3
  209. Sets and Orders
  210. Distance from a point to a line
  211. Distance / speed puzzle
  212. A Puzzle in Tribute to Raymond Smullyan
  213. The Leprechaun's Challenge