Marc Tabyanan

Rules and tables for randomly generating poisons, harvesting them from monsters, and determining the value and dosage of toxins

The award-winning The One Ring tabletop RPG enters a new age with this triple offering – the epic campaign expansion The White Tower and the Hall of Gold, the bestiary Creatures Strange and Foul, and an updated Core Rules compendium – all also for 5E

A series of connected adventures starting in our mortal realm and descending into Hell itself.

An official OSE supplement of demons, cults, and dark magic.

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

A stormy night murder mystery tabletop RPG inspired by Cluedo and Brindlewood Bay, played without dice or a GM. Uncover secrets, play your suspects, and solve the crime together!

The City State of the Invincible Overlord is an epic collection of campaign resources for both 5e and DCC RPG. More than 800 pages of material, multiple poster maps, and a city’s worth of gaming!

The World's Largest Dungeon is a 1,600+ page, four-book behemoth megadungeon. Experience the Guinness World Record-winning dungeon crawl like never before - fully updated to 5E of the Worlds Most Popular Roleplaying Game!

The 2006 retro-clone of first edition AD&D, rewritten and reorganized for 2025! OSRIC 3 is easier to learn, with more examples of play. This is the beginning of a new product line for Mythmere Games, to include adventure modules and much more!

Looking for a fast moving and easy to jump into RPG? Into the Lair is your answer. It hearkens back to the gritty and classic feeling of Old School RPGs. Our art style is 80s inspired to spark the imagination without bogging you down with rules.

Tremendous and inspirational resources for gamemasters! Dungeon Denizens 2 is a huge hardcover with 350+ monsters, How to Write Even Better Adventures has advice from experienced game designers, and there's even more!

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

Funding a reprint of the BX Advanced Bestiary, Vol. 1

Downcrawl 2E is a TTRPG toolkit for exploring a weird, wondrous underworld of stalactite cities and fungal gods. Now supports zero-prep and solo play!

Comprehensive monster generation with over 1 billion combinations per deck for any fantasy roleplaying game, writers, and storytellers.

A Choose-Your-Own style adventure for the Dungeon Fantasy RPG. Four mercenary soldiers join the fight to overthrow the dark Overlord Saethor. Play it solo, as a tutorial, or a no-prep convention romp. Will you be Saethor’s Bane … or he yours?

A dark fantasy survival horror roleplaying game, inspired by classic sword & sorcery literature, and powered by an adventure gaming system!

Three new bestiary volumes for the Dungeon Fantasy RPG! Terrible slithering things, creepy-crawlies with their skeleton on the outside, or no skeleton at all, and a selection of awful green things. Three books filled with Nightmare Fuel!