When you’re hauling a couch through a narrow hallway and yelling “Pivot!” like Ross from Friends, you’re unwittingly ...

Flow Free: Shapes is part of an ongoing series, which includes subtitles such as Bridges, Hexes and Warps. And as you might expect, the core conceit of this entry is that you're directing your flows ...

So the title of this puzzle, “Shape Up or Ship Out,” is a massive hint. People who solve without knowing it will surely have a bigger “aha” moment than those of us who saw it from the start.

For this challenge you'll be presented with a sequence of different shapes. To solve the puzzle you will need to identify which missing shape completes the sequence. It may help to have a pencil ...