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
Dungeon and Puzzles for Nintendo Switch - Nintendo Official Site
The Door To The Dungeon Jigsaw Puzzle by Marcy Wielfaert - Pixels
Dungeon-o-Matic VII - Celestial Puzzles — Brass Badger Workshop