Vault of Monsters is a 5e-compatible adventure rooted in British folklore, full of creatures with personality, lore with attitude, and encounters that escalate without asking permission.

“All the grisly bits wot weren’t enuff on their own” A true expansion to the Swyvers RPG. More city generator tools, more systems, more grit, more grub, MORE SWYVERS!

Ruttigers Almanac is an OSR-compatible tabletop roleplaying game system that combines frenetic, fun mechanics with a clutch of mini-games to bring chaos to your table, alongside an expansive setting to explore and plunder.

The Cursed Flames is a fast, brutal escape adventure for Shadowdark RPG. Designed for 3–5 characters, Level 2–4. Built for one intense 3 hours session. Minimal prep, ready-to-run structure.

The oldest and most influential sci-fi TTRPG of all time meets the world’s most popular roleplaying game, with a complete 5e conversion by World’s Largest RPGs.

Get ready to enter your very own World Dungeon! Play as a familiar face, such as 🧨 Carl, 👑🐈 Donut, 🐊 Florin, 🐐 Prepotente, or build your own unique crawler, complete with a customizable class and race (if you survive to the third floor)!

Survive in a world no longer meant for you, heavily inspired by American Gods and Anansi Boys. Play as Young Gods, the reincarnations of ancient deities, struggling in an urban hell created by the New Gods.

The gates of the Abyss have been thrown open! We're bringing you unique wooden miniature demons, dripping with old school style, for OSE Month.

FLAIL is an old-school, fantasy RPG where spells act up, weapons fall apart, and characters survive mostly through nerve and sheer luck. Designed for people who like single-session dungeons and short campaigns of 10~15 sessions. Low-prep, max play.

Grim Hollow: Lairs of Etharis returns in a premium hardcover! 20 5.5E adventures (levels 1-20), each a perfect one-shot with its own map and encounters.

The real dungeon was the hobby we made along the way. Dungeon crawl your way through half a century of RPG history in this full-scale megadungeon for the DIE RPG by Gareth Hanrahan.

A new level has been discovered beneath the Castle of the Mad Archmage! On the western edge of the 5th level, new corridors have appeared, leading off into unknown regions of the dungeons. An expansion module for Castle of the Mad Archmage.

A 200+ page hardcover megadungeon tie-in with Goodman Games' Castle Whiterock. 5 hellish levels, 90 new monsters, new spells, patrons and treasure. Discover the secret history of Whiterock and reveal the world-destroying agenda behind it!

This 48 pg book features NEW illustrated plates (by C. Aaron Kreader) of each level in Castle Whiterock. Now 5e or DCC judges will have rendered handouts, unique notes from the original designer, and remembrances of the greatest dungeon story ever told!

Hastening Doom is a classic, good old-fashioned 5E dungeon crawl, built for modern play. It delivers everything players and GM s love about megadungeons, including brutal monsters to defeat, clever puzzles to solve, and devious traps to outwit!

Legendary TTRPG designer Monte Cook, creator of Return to the Temple of Elemental Evil, Ptolus, and more, returns to the megadungeon!

The forge of fantasy role playing, Gary Gygax's legendary dungeon and its environs. Here begins the journey into depths never before reached.

A Dark Double Feature designed for use with Shadowdark RPG featuring: Of A Harmonious Nature and Nothing Left To Lose

Inkvein is a caving-centric megadungeon crafted for MÖRK BORG, drowned in inky horror. Emerging from the quill of ENNIE nominated Murkdice and published by ENNIE winning Space Penguin, this tomb of monochrome terror is not to be missed!

Does your party want some great loot? Look no further than the heirlooms and lore of steampunk gnomes, as your party helps reclaim a merchant's long-lost heritage? In conjunction with Megadungeon Month: Steamlander, a DCC - Castle Whiterock adventure.

The Madness of Metronax is a low-level adventure for Dungeon Crawl Classics and 5e that increases ties between Castle Whiterock and nearby Cillamar. And it has magical giant ants!

A 5th Edition/Dungeon Crawl Classics Zero-Level horror adventure.

Explore the mysteries of a time-traveling tower under siege in this mind-bending adventure! Compatible with Dungeon Crawl Classics and 5E.

Like your adventures a little WEIRD? Three-eyed goblins, psychic plants, and a carnivorous cauldron (among other things) await you in this Castle Whiterock tie-in adventure for DCC RPG and 5th Edition.