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Void Mastodon

Void Mastodon is a Tabletop Roleplaying Game – powered by the Forged in the Dark system – about the crew of a spaceship in a sector plagued by strife and grim phenomena. With themes typical of cyberpunk, cosmic horror, political schemes and explosive action, it is inspired by sci-fi universes like Mass Effect, Altered Carbon and Dune.

You play a group of desperate freebooters trying to thrive amidst the teeming threats of rival ships, powerful corporations, eldritch horrors, the authorities of the Sector, and the dark call of the freebooters’ own flaws and illusions.

As a standalone Forged in the Dark game, the SRD rules have been entirely adapted to offer a new game experience focused on sci-fi action and intrigue.

Core Premise

  • You can swap between bodies by uploading your mind.

Dying is only a setback. Increase the intensity of your games by making your players embrace the wildest risks. Injuries are still dangerous (dying in the middle of a mission greatly reduces your chances of success, and you still need to recover your cortical stack to get a new body) but the specific stakes of each operation become more important than mere survival.

  • You can travel throughout the sector, between planets and star systems, but not the entire galaxy.

Keep the game experience focused on the same areas, allowing your players to see the consequences of their choices on the factions and setting.

  • You can open your mind to the hyperspace, a psychic dimension.

Some people get powers from it, and technology allows to use this dimension for superluminal travel.

Main Content

  • Complete standalone PDF ruleset and setting. 335 pages (classic A5) or 171 pages (A4 double page spread)
  • Create a unique character by choosing among 7 Minds, 7 Frames and 7 Clades, allowing you to pick from over 100 different abilities to create highly customized freebooters.
  • A customizable setting and 50 factions ready to jump at each other's throats.
  • A detailed sector with 8 major systems and zones containing over 25 worlds and locations to explore. Homebrew friendly.
  • GM guidelines and advices
  • Ready-to-print PDF versions of the Crew and Character sheets, as well as high-resolution image files of the Crew and Character sheets to play on virtual boards like Miro, Roll20, etc.

Your purchase entitles you to all future digital versions of the game at no additional cost.


  • Recommended Players: 3-5
  • Recommended Age: 18+
  • Playtime: 2-6 hours per session
CategoryPhysical game
Rated 4.9 out of 5 stars
(10 total ratings)
AuthorDave Craigen
Tagsaltered-carbon, Cyberpunk, d6, dune, Forged in the Dark, Futuristic, mass-effect, roleplaying-game, Sci-fi
Average sessionA few hours


Get this game and 1 more for $11.00 USD
View bundle
Buy Now
On Sale!
30% Off
$13.00 $9.10 USD or more

In order to download this game you must purchase it at or above the minimum price of $9.10 USD. You will get access to the following files:

Void Mastodon 2.0.pdf 28 MB
Void Mastodon Play Sheets 2.0.pdf 44 kB
Character Sheet for Virtual Board 2.0.png 267 kB
Crew Sheet for Virtual Board 2.0.png 167 kB
Ship Sheet for Virtual Board 2.0.png 121 kB

Free Copies

Support this game at or above a special price point to receive something exclusive.

Community Copies

Every purchase beyond the minimum price will generate a community copy. If you can't afford this game, enjoy a free community copy! 

Development log


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Solid stuff for a game still in progress.

If you wanna play a team of space-bastards in an uncaring universe, or if you feel your Blades in the Dark, Eclipse Phase or 40K itches are insufficiently scratched then get on this.

Great variations on character creation, an intriguing interstellar diaspora and some great art incoming. Get on it.

(1 edit)

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Pretty cool game with great and lovely rats.

Deleted 1 year ago

A fantastic setting for a fantastic adventure. I had a blast playing this game. The ruleset is easy to get, but allows you to play whoever you want, however you want. Give it a try, you'll love it !