The Critical Line – Volume 25

Oliver Chambers delivers this months puzzle challenge - A Rational Sequence.

The Critical Line - Volume 24

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!

The Critical Line - Volume 23

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!

The Critical Line – Volume 19

Oliver Chambers puts forward a puzzle that lies at the intersection of statistics and espionage.

The Critical Line - Volume 18

Jevon Fulbrook introduces Annie the Actuary and her puzzle filled journey over the holiday. Can you help solve the puzzle that leads Annie home? 

The Critical Line - Volume 17, Christmas Edition

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!

The Critical Line – Volume 16

Our resident columnist Oliver Chambers delivers a perfect power puzzle for Volume 16 of The Critical Line.

The Critical Line - Volume 15

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.

Critical Line Volume 14

Dan Mayoh brings you the 14th instalment of the popular Critical Line Puzzle Challenge with a nod to a Royal Flush Jackpot.

The Critical Line - Volume 13

Oliver Chambers brings us this month's Critical Line challenge: how to escape from the jungle.

The Critical Line - Volume 12

Jevon Fullbrook brings us this month's Critical Line challenge, with a puzzling Easter-egg hunt!

The Critical Line - Volume 11

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!

The Critical Line: Volume 4

In this month’s mathematical musing: the man who knew infinity, interesting integers, nested radicals, and peculiar processes.

The Critical Line - Volume 3

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.

In the Margin: December 2015 - Goodbye and Good Luck

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.

In the Margin: December 2015 - Parting is Such Sweet Sorrow

Editor Genevieve Hayes leaves us to figure out her favourite quote of all time in her penultimate puzzle.

In the Margin: November 2015 - Who are you?

Editor Genevieve Hayes puzzles us with a crossword of pseudonyms.

In the Margin: October 2015 - Snakes on a Plane

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.

In the Margin: September 2015 - a-maze-ing stories

Editor Genevieve Hayes a-maze-s us with a new puzzle.


In the Margin: August 2015 - Two by Two

Editor Genevieve Hayes puzzles us with 35 famous duos.

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