Oliver Chambers delivers this months puzzle challenge - A Rational Sequence.
Posted on: October 25, 2018
Jevon serves up a new type of wordy puzzle for you to unscramble while Dan sifts through 11 responses to find our Volume 23 winner!
Posted on: September 24, 2018
Dan Mayoh serves up a dicey problem for Volume 23 of the Critical Line. Plus, Oliver shares the solution to Volume 22 and its winner - who stood out by submitting an animated solution to the problem!
Posted on: August 15, 2018
Oliver Chambers puts forward a puzzle that lies at the intersection of statistics and espionage.
Posted on: March 5, 2018
Jevon Fulbrook introduces Annie the Actuary and her puzzle filled journey over the holiday. Can you help solve the puzzle that leads Annie home?
Posted on: February 8, 2018
Dan Mayoh delivers this random-walk inspired puzzle, just in time for Christmas. Get your answer in for a chance to win a $50 Dymocks voucher!
Posted on: December 14, 2017
Our resident columnist Oliver Chambers delivers a perfect power puzzle for Volume 16 of The Critical Line.
Posted on: October 4, 2017
Can you find your way squarely around this month's puzzle? Jevon Fulbrook challenges you to spell out the enigma for a chance to win a $50 Dymocks voucher.
Posted on: August 24, 2017
Dan Mayoh brings you the 14th instalment of the popular Critical Line Puzzle Challenge with a nod to a Royal Flush Jackpot.
Posted on: July 17, 2017
Oliver Chambers brings us this month's Critical Line challenge: how to escape from the jungle.
Posted on: June 14, 2017
Jevon Fullbrook brings us this month's Critical Line challenge, with a puzzling Easter-egg hunt!
Posted on: April 26, 2017
This edition of The Critical Line is all about magic squares. Take on this challenge, brought to you by Dan Mayoh, for your chance to win a $50 Dymocks voucher!
Posted on: March 22, 2017
In this month’s mathematical musing: the man who knew infinity, interesting integers, nested radicals, and peculiar processes.
Posted on: June 30, 2016
Welcome to the third instalment of the Critical Line brought to you by Jevon Fulbrook and Chris Ebbs. This month we would like to draw your attention to a pattern seen daily by most of the world, but whose existence we are mostly unaware of.
Posted on: June 2, 2016
Editor Genevieve Hayes bids us 'so long and thanks for all the fish'. Thanks Genevieve for puzzling us all these years and keeping us entertained.
Posted on: December 15, 2015
Editor Genevieve Hayes leaves us to figure out her favourite quote of all time in her penultimate puzzle.
Posted on: November 25, 2015
Editor Genevieve Hayes puzzles us with a crossword of pseudonyms.
Posted on: November 13, 2015
This month’s puzzle is a snake or slitherlink puzzle. For your chance to win a $50 book voucher, solve the 7 x 7 slitherlink.
Posted on: October 16, 2015
Editor Genevieve Hayes a-maze-s us with a new puzzle.
Posted on: September 22, 2015
Editor Genevieve Hayes puzzles us with 35 famous duos.
Posted on: August 22, 2015