Links to past riddles and solutions are from this page. If you know any
good riddles that you think might fit in, you're welcomed to send them
to the puzzlemaster at riddles
brand.scso.com.
The puzzlemaster is Michael Brand.
| May 2013 | Riddle | Solution | Coin verification |
| April 2013 | Riddle | Solution | k-resistance |
| March 2013 | Riddle | Solution | A185028 |
| February 2013 | Riddle | Solution | More Takeaways |
| January 2013 | Riddle | Solution | Take Away |
| December 2012 | Riddle | Solution | A Problem with Neighbors |
| November 2012 | Riddle | Solution | Fun with Normal Distributions |
| October 2012 | Riddle | Solution | Rectangling Another Rectangle |
| September 2012 | Riddle | Solution | Hydra Games |
| August 2012 | Riddle | Solution | Euler Numbers |
| July 2012 | Riddle | Solution | Stepping Contest |
| June 2012 | Riddle | Solution | Lucky Numbers |
| May 2012 | Riddle | Solution | Two Polygons |
| April 2012 | Riddle | Solution | Natural Partitions |
| March 2012 | Riddle | Solution | Rectangling the Rectangle |
| February 2012 | Riddle | Solution | Space-efficient Exponentiation |
| January 2012 | Riddle | Solution | From A to B |
| December 2011 | Riddle | Solution | Post-office Tetrahedra |
| November 2011 | Riddle | Solution | Post-office Volumes |
| October 2011 | Riddle | Solution | Post-office Dilemma |
| September 2011 | Riddle | Solution | Gladiators |
| August 2011 | Riddle | Solution | Equinox Counting |
| July 2011 | Riddle | Solution | Bananas |
| June 2011 | Riddle | Solution | Improved FFT |
| May 2011 | Riddle | Solution | Fun with Trigonometry |
| April 2011 | Riddle | Solution | Cyclone Frogs |
| March 2011 | Riddle | Solution | Lights-Out |
| February 2011 | Riddle | Solution | Tea or Coffee |
| January 2011 | Riddle | Solution | Prepostria |
| December 2010 | Riddle | Solution | 2-bend Graph Embeddings |
| November 2010 | Riddle | Solution | DNFs and Symmetric Functions |
| October 2010 | Riddle | Solution | Abraham and Benjamin |
| September 2010 | Riddle | Solution | Gloved Prisoners |
| August 2010 | Riddle | Solution | Tetrahedron Crossing |
| July 2010 | Riddle | Solution | A Tribute to Gardner |
| June 2010 | Riddle | Solution | Cyclic Permutations |
| May 2010 | Riddle | Solution | Segment-preserving Mappings |
| April 2010 | Riddle | Solution | Self Assembled Numbers |
| March 2010 | Riddle | Solution | Taylor Series |
| February 2010 | Riddle | Solution | Laura Sort |
| January 2010 | Riddle | Solution | Encyclopedia Sort |
(Riddles from previous years have been archived.)
Enjoy!