---
title: "puzzle design · Blog | Once Books"
description: "2 posts tagged “puzzle design” on the Once Books blog, newest first: Five maze shapes, and what each one does to the solving."
source: "https://www.oncebooks.com/blog/tag/puzzle-design"
---

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Topic

# Puzzle design

2 posts on this topic.

- [9 October 2026 · 6 min read](https://www.oncebooks.com/blog/the-five-maze-shapes) — Five maze shapes, and what each one does to the solving Square, hexagonal, triangular, circular and picture-shaped mazes. How the grid changes the puzzle, which ages each suits, and what it costs to print.
- [7 October 2026 · 7 min read](https://www.oncebooks.com/blog/what-makes-a-maze-hard) — What actually makes a maze hard (we measured it) Size is not difficulty. We graded a maze generator easy to evil, measured every page, and found one of our three difficulty signals ran backwards.

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