A 3 panel GM screen with all new art! The backside contains tables and quick look ups for GMs that are specific to the Sandy Petersen’s Cthulhu Mythos (as well as for 5e generally). Printed on high quality paper and...

“Behind everything crouched the brooding, festering horror of the ancient town, and of the mouldy, unhallowed garret gable where he wrote and studied…”  -H. P. Lovecraft, “The Dreams in the Witch House”Judgement. Temperance. Justice. The Tower.The soothsayer’s tarot wove a...

Kate Winthrop pulled the collar of her long coat tight against her neck to ward o the creeping chill of a damp autumn night. With a squeal of tires, a long black car raced by, pursued closely by a police...

Embark on a dangerous rescue mission in Dark Side of the Moon, the third Mythos Pack in The Dream-Eaters cycle for Arkham Horror: The Card Game! After the man who may hold the key to escaping the Dreamlands is taken by dangerous Corsairs, you...

Alone Against the Frost is a solo horror adventure for one player, set during a research expedition to Canada's Northwest Territories during the 1920s. Here, you choose your own path as you navigate through the story your choices will determine...

Petersen Games announces Nightmares I! Supercharge your epic 5e campaign with the terrifying fun of monsters connected to the Cthulhu Mythos! A Bghaggua, a Martian Cat, and a Siege-Claw Therizinosaurus walk into a bar. Don’t get the punchline? Meet these...

Tiarazan’s reprieve from the machinations of the King in Yellow proved short-lived, as their ultimate purpose became evident, they were the harbinger of an even more powerful, appalling, and unspeakable Great Old One. An intelligence older than the stars, nigh...

Despite their victory, the heroes’ reprieve is short-lived. The Yellow Sign, now emblazoned upon the moon, shines down upon Tiarazan and spreads the vile corruption of the King in Yellow. With each passing hour, the machinations of a young aristocrat...

It began with murder most foul. Two families of prestige, power, and influence. A shadowy group of zealots and an addled troupe of entertainers. At the center of it all, a masked figure intent on bringing a forbidden play, The...

A cursed play from an infamous playwright sows disaster wherever it appears. It has surfaced in the ancient city of Tiarazan to spread its malignant influence like the plague. Enemies seen and unseen oppose the characters and seek to forever...

Sandy Petersen’s Cthulhu Mythos is the most comprehensive guide to including Lovecraftian elements in your Roleplaying game, written by Sandy Petersen, the author of the groundbreaking Call of Cthulhu role-playing game. This massive tome contains over 100 monster stat blocks,...