Puzzles

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 13

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

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.

Also this month