Atlas Games has released Ars Magica Definitive Edition to hobby shops and digital platforms today, 17 September 2026, following a BackerKit crowdfunding campaign that raised over $1 million. Headquartered in Proctor, Minnesota, the publisher oversaw a multi-year development run led by co-owner and CCO Michelle Nephew, consolidating two decades of material across 40 Fifth Edition supplements into a single core rulebook.

First created in 1987 by Jonathan Tweet and Mark Rein-Hagen, the historical fantasy roleplaying game puts players in charge of a covenant of Hermetic wizards in 13th-century Mythic Europe. The system established foundational hobby concepts, including rotating-gamemaster troupe play and a noun-and-verb magic engine based on Techniques and Forms. Line developer David Chart steered the Fifth Edition product line for twenty years, providing the mechanical core used in this revised release.
The physical edition arrives as a 582-page, full-colour hardback bound in gilded leatherette, packaged in a slipcase with a three-panel Storyguide screen, a 14-page reference booklet, and a poster map of Mythic Europe. On digital storefronts, the standalone PDF launched on DriveThruRPG at $49.95 alongside discounts on legacy supplements. The book features updated layout and illustration work by 17 human artists, including veteran illustrators Liz Danforth and Doug Shuler, explicitly produced without generative AI tools.
Atlas Games also placed the fifth edition catalogue under an open Creative Commons Attribution-ShareAlike 4.0 International licence (CC BY-SA 4.0).
John Nephew, President and co-owner at Atlas Games, said in a statement,
Our goal from the start was to make a physical artifact that every Ars Magica player would be bowled over to own. We’ve definitely accomplished that! But the open license and the efforts of the Ars Magica community mean the game is available to any budget, in perpetuity – the text is literally available completely free online.”

While the legal grant permits broad sharing and remixing, Atlas Games does not host a free, downloadable System Reference Document (SRD) on its own website. Official documentation on the publisher’s portal notes that players seeking the raw text must extract it themselves from commercial PDFs sold in its store.
Because the publisher provided no official zero-cost digital download, volunteer contributors filled the distribution gap. The fan community at Project: Redcap organised the Ars Magica Open Content Conversion Tracker to extract, format, and index the open text from all 40 books into a free, searchable online wiki. That community labour delivers on the promise of universal access, alongside nearly 100 third-party adventures, sourcebooks, and digital utilities already released under the licence.
Michelle Nephew, CCO and co-owner at Atlas Games, said in a statement,
With the open license, it’s really a new beginning for the game, too. It means our fans will steer the direction of Ars Magica’s future, for generations to come.”
Quick Links
- Get Ars Magica Definitive Edition on DriveThruRPG
- Project Redcap (Ars Magica Open Content Conversion Tracker)