Amethyst: Foundations

Which side will you choose? Which weapons will you wield? Earth is torn between the order of science and the chaos of fantasy. These two worlds cannot mix. Venture into lands once claimed by skyscrapers and factories, now overrun by elves, goblins, and dragons. Choose your path and commit to the quest. Monsters will hunt you; machines will track you. No gods will help you; no prophecies will choose you. The fate of the world rests with you.

This rulebook includes: 

  • New races 
  • Four technology-based classes 
  • Paragon paths for both science and magic based characters 
  • All new equipment from revolvers to railcannons 
  • Listings for powered armor and futuristic vehicles 
  • Monsters for every challenge rating 
  • GSL-compliant rules to add technology to any 4th Edition game
Rules Set: 4E (GSL).


  • Chapter One: The Choice: Download this PDF preview of the first chapter to learn more about the basics of Amethyst.
  • The Tome Show: Listen as they review Amethyst: Foundations and interview creator Chris Dias.
  • Here Be Gamers: Listen as they review Amethyst (starts at 20:00 mark).
  • The Power Source: Listen as they review Amethyst (scroll down to episode 28).


  • Gnome Stew: “Where many critics of D&D 4e will say that the game has been made too simple or too much like an MMORPG, Amethyst is the opposite. The setting is rich and detailed, and you can feel the internal struggle in every page of the book. It is proof that the 4e rules are expandable, and that they can support a more complex campaign world.”
  • Neuroglyph Games: “Overall, I found Amethyst: Foundations to be an absolutely ground-breaking setting.” Check out this thorough review of the Amethyst: Foundations rule book in two parts! Part 1 and part 2
  • Neuroglyph Games review of Biohazard playtest module: “Overall, the BioHazard Playtest Module is a very impressive demonstration into just how inventive the Amethyst Setting & Rule System is going to be.  It’s also an excellent example of the Author’s imagination and game-design skills, taking the existing D&D 4e ruleset and taking it to a fun new place that will entice Players and Game Masters of science fiction, horror, and modern genres to the 4e experience.”
  • GnomeStew review of Biohazard playtest module: “Biohazard is a fun, action-packed adventure, that plays well, and is highly entertaining. The adventure can be run in a single evening, and can make nice break from your normal game. If you have any interest in what a 4e modern game would be like; this is the game for you.”
  • First Look from Living Dice: “Amethyst looks interesting and I like the more realistic take on how a modern society reacts to strange creatures in their midst.”
  • RPG Precipice: “I'm not a fan of the 3rd edition, 3.5 edition, and 4th edition DnD rules - however, just because you don't like the rules doesn't mean there is a lot of gold in a game world/concept regardless of the rules. I could see me running a game in the amethyst game world using any of the familiar rulesets that I have become accustomed to over the years.”
  • Lost Cause: “I'm still slightly frustrated at having to dig as much as I did to figure out what the Hammer was and so forth, but other than that I'm excited to play Amethyst.”
  • Kobold Quarterly: “All in all, the book is full of great concepts and shows a solid example of using the 4e engine in a technological setting, yet the book is too dense with often-confusing setting elements.”
  • Realms of Fantasy: “The amount of sheer detail in Amethyst: Foundations is boggling. There’s just so much great stuff, and the wonderful part is that any of it could be divorced from its setting and used piecemeal in any sort of homebrew setting, from near-future to space opera.”
  • “The mechanical aspects of the book are top notch and continue Goodman Games’ commitment to quality 4e products. The setting material provides a sufficient level of detail (sometimes misplaced) to allow DMs to run several campaigns and gain very different perspectives on the game world.”
  • World vs. Hero: “Genuine soul-searching like the kind provoked by the world of Amethyst Foundations is priceless; it is always the starting point or the end product of the best kinds of storytelling.”
  • Grand Experiment: “Overall, Amethyst looks like a very solid offering in the GSL for settings. I hope we see more of it.”
  • Paizo Fan Review: “Over all it's a really well thought out product and really helps 4e shine in a new way.”
  • The Hopeless Gamer: This blog has posted several reviews of Amethyst and even given it an award! Check out their review, part one and part two; their interview with the creator; and their award!
  • The Dump Stat: Another blog with a lot of Amethyst coverage! Check out their review in three parts: part one, part two, and part three. Also check out their Q&A with Amethyst creator Chris Dias and thoughts on applying Amethyst rules to other concepts!


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Writer: Chris T. Dias
Cover Art: Nick Greenwood

GMG4370, hardcover, 288 pages, $34.99