Ghosts: A Monster with A Built in Puzzle - Master The Dungeon
How to Create Puzzles for Fifth Edition | A New How-to Guide for 5e GMs – DMDave | All Things Fifth Edition
Homebrew] My concept for running a Maze in D&D. : r/dndnext
How to Run Puzzles in DnD | Arcane Eye
101 Traps, Puzzles, and Twists for D&D and RPG Campaigns - HobbyLark
D&D Puzzle Encounters: Taking Brainbashing to the Next Level
The Game Master's Book of Traps, Puzzles and Dungeons: A punishing collection of bone-crunching contraptions, brain-teasing riddles and ... RPG adventures (The Game Master Series): Ashworth, Jeff, Hilton, Kyle, Bhullar, Jasmine, Three
D&D Puzzle Encounters: Taking Brainbashing to the Next Level
NOW Available! Pathfinder / D&D Puzzle Book with 60 Puzzles! Wally DM's Journal of Puzzle Encounters - YouTube
Witch's Brew: A potion mixing puzzle for any system
101 Traps, Puzzles, and Twists for D&D and RPG Campaigns - HobbyLark
D&D Forest and Jungle Puzzles: (with free puzzle)
D&D Puzzle Encounters: Taking Brainbashing to the Next Level