A new puzzle every Saturday. Solutions one week later.

Basic Stats
1068 weeks, 1101 pages & 7476 days
20 years + 5 months + 18 days

>>>>Puzzlers Statistics<<<<

Puzzle of the week

Puzzle 931. Twin primes 4x4 magic square.

Curios by CR in Prime Curios!


The last five news

Date Puzzle about


Nov-9-18 Problem 63 Arkadiusz Wesolowski
Nov 2-18 Puzzle 929

Puzzle 80

Puzzle 304

Seiji Tomita, Giovanni Resta, Paul Cleary, Simon Cavegn and Emmanuel Vantieghem.

Paul Cleary

Paul Cleary

Oct-26-18 Puzzle 927

Puzzle 928

Michael Hürter, Emmanuel Vantieghem
Simon Cavegn, Emmanuel Vantieghem and Fausto Morales
Oct-19-18 Coll.20th-016

Puzzle 927

Yilin Zhang

Seiji Tomita

Oct-12-18 Coll.20th-018 Hans Havermann


These pages will be updated every Saturday morning -- Last Modified on: November 10, 2018

"Many thanks to Martha Rivera, Miguel H. Rivera and  G. L. Honaker, Jr. for reviewing and correcting the  very first version of these pages, dated on May 23, 1998 "

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