Advanced Search

Galaxy Builder Decks: Star SystemsClick to magnify

Galaxy Builder Decks: Star Systems

Selected Option:


Galaxy Builder Decks: Star Systems is a deck of double-sided cards of two types: Star Systems, showing various types of planetary systems for creating simple locations or sectors during worldbuilding or on the fly during a game. And Star System Traits, providing a focus or theme for each system, such as being a Core or Colony system, plus possible conflicts, employers, contacts, and missions associated with that theme. Pair these with Planet Cards to quickly create entire star systems or just the main planet location for your stories.

System cards are loaded with useful information, such as star types, habitable zones, sky color, vegetation, and star age. The habitable zone chart on the back is laid out like the Star System Mats for easy reference. Distances are marked in AU = Astronomical Units, the distance between the Earth and the Sun. Orbits are marked with days for an average Gv-type star like our sun, showing roughly how long a planet orbits depending on distance.

System Trait cards feature a roll table of conflicts on the front, catagorized by type and a few examples. On the back are listed mutual roll tables for Employer and Contact. You can use either of these separately for combine them to create different types of people who need your help. The bottom half of the back shows Missions by category: Combat, Diplomatic, Esionage, Exploration, Commercial, and Criminal. Four example jobs each are provided for each mission type, but feel free to mix and max from different cards.

system cards

Deck of 54 Double-sided Poker-sized Cards Includes:

  • 20 Single System Types
    • 3x Bv-type systems - Hot, Blue stars (Supergiant, giant, main sequence)
    • 3x Av-types systems - Hot, White-blue stars (Supergiant, giant, main sequence)
    • 3x Fv-types systems - Warm, White-yellow stars (Supergiant, giant, main sequence)
    • 3x Gv-types systems - Warm, Yellow stars (Supergiant, giant, main sequence)
    • 3x Kv-types systems - Warm, Orange stars (Supergiant, giant, main sequence)
    • 3x Mv-types systems - Cool, Red stars (Supergiant, giant, main sequence)
    • 1x Dv-type system
    • 1x Blackhole-type system
  • 16 Binary System Types
    • Type Av-Dv binary system 
    • Type Av-Mv binary System 
    • Type Bv-Bv binary system 
    • Type Bv-D binary system
    • Type Fv-Gv binary system
    • Type Fv-Mv binary system
    • Type Fv-Dv binary system
    • Type GIII-GIII binary system
    • Type Giv-Mv binary system
    • Type Gv-Kv binary system
    • Type Gv-Gv binary system
    • Type Gv-Mv binary system
    • Type KIII-MV binary system 
    • Type Kv-Kv binary system
    • Type KV-Mv binary system
    • Type Mv-Mv binary system
  • 16 System Trait Type
    • Core System
    • Colony System
    • Frontier System
    • Border System
    • Trade Hub System
    • Corporate-Controlled System
    • Lawless System
    • Backwater System
    • Occupied System
    • Military System
    • Mining System
    • Industrial System
    • Agriculture System
    • Academic System
    • Rebel System
    • Badlands Systems
    2 Instruction Cards
    Card Features
    • System Conflict roll tables
    • Emploer roll tables
    • Contact roll tables
    • Mission roll tables
    Full Color Tuckbox
Disclaimer: The original count of the singular systems group was 21 with the inclusion of #021 Pulsar System. This was removed just before release in favor of adding the Gv-Gv binary system card, increasing the binary systems group from 15 to 16. The tuckbox count on the back reflects the earlier count. #021 Pulsar will be reinstated in a later card set.


Systems Card Anatomy

system card use

System Trait Card Anatomy

system trait use

The Galaxy Builder Decks Series

Galaxy Builder Decks are a series of system-neutral cards for worldbuilders and GMs to quickly create scifi settings and cultures right on your table. Pair Planet cards with Planet Trait cards for unique locations and encounters. Each deck is designed to work with others in the series to help fully flesh out your galaxy. I created this series for several reasons: 1) as a helpful worldbuilding tool for authors and gamemasters to quickly create believable settings, 2) to boost immersion, appearing on the table as a series of computer display screens, 3) to provide players with a sense of exploration and discovery while you play, and 4) as a modular overmap on the table for seeing where you are in the universe without having to draw circles over and over.

Notable inspirations (Franchises): Star Wars, Star Trek, Mass Effect, Alien, Firefly, Babylon 5, Elite Dangerous, Dune.
Notable inspirations (Games): Stellaris, Endless Space, Master of Orion, Starbound, Stars Without Number, Ironsworn Starforged.

Continuing Mission's review of Galaxy Builder Decks

continuing mission review

Print-n-Play Version Includes:

  • Color version PDF - Front and Back sheets in 3x3 layout of US Poker-sized cards.
  • Printer-friendly version PDF - Front and Back sheets in 3x3 layout of US Poker-sized cards.

system card pnp

Check Out Other Products Available In The Galaxy Builder Deck Series:

Product link for Planet CardsProduct link for Planet TraitsProduct Link to Star System MatsLabel Cards print-n-play

 Customers Who Bought this Title also Purchased
Reviews (0)
Discussions (2)
Customer avatar
Jani K May 08, 2024 12:58 pm UTC
So, now we need more stars... When those B-, A- and F-types are coming in their own card? Actually I wanted them the very moment when I downloaded all these files. :D
I just love them! And about ideas, how about card for tiny asteroid type moons à la Phobos & Deimos (roll 1d6 for amount of orbiting boulders without being a ring). :D
Customer avatar
Jeff M May 09, 2024 2:44 am UTC
Glad you like them! Bv, Av, and Fv cards are coming in the Planets 2 deck, as well as an additional Gv, Mv, and Miii card (still working on how something that big will fit, probably have some of it clip off the edges). The deck will also include grassland planets, city planets, ring worlds, and more. The next deck to release will either be Planets 2 or Cultures & Traits.

I like the idea of a Phobos/Deimos type card. Something like "Moonlet, Very Tiny Rocky World." Thanks for the great feedback!
Customer avatar
Jani K May 09, 2024 8:37 am UTC
Cool, can't wait. Systems with molten asteroids and volcanic worlds are just waiting those B and A stars to shine harsh light on them. :D
Wormhole/Collapsar and Jumpgate would also be nice. Not to mention brown and white dwarfs.......
Customer avatar
Jeff M May 09, 2024 5:44 pm UTC
You're in luck! Wormholes and jumpgates are slated for the "Planets 2" deck as well. Brown and White Dwarfs will more likely be in a supporting 9-card "Stellar Set".
Customer avatar
Philip M May 07, 2024 12:34 pm UTC
How soon are we looking at for the pre-printed deck to be produced?
They are SOOOO much better for me.
Customer avatar
Jeff M May 07, 2024 8:55 pm UTC
The proofs are expected to arrive around the following weekend. Once approved, the physical cards for this deck and the Asteroid Set 2 will then be made available for order!

Customer avatar
Philip M May 07, 2024 10:56 pm UTC
Standing by. And I have an idea or two..would love to talk about it sometime.
Customer avatar
Jeff M May 09, 2024 2:14 am UTC
Love to hear any ideas and feedback! And you may get a sneak peek at what else is coming out. You can use to reach me.
Customer avatar
Philip M May 14, 2024 6:03 pm UTC
email sent. THANK YOU!
Customer avatar
Philip M May 14, 2024 6:04 pm UTC
OH, and a dyson sphere?
Customer avatar
Jeff M May 20, 2024 5:50 pm UTC
Star Systems deck is now available in Print.
Customer avatar
Philip M June 01, 2024 4:34 pm UTC
Customer avatar
Jeff M June 03, 2024 11:23 am UTC
Thank you!
Browse Categories
$ to $
 Follow Your Favorites!
NotificationsSign in to get custom notifications of new products!

Product Information
Silver seller
File Size:
38.92 MB
Original electronic Click for more information
Scanned image
These products were created by scanning an original printed edition. Most older books are in scanned image format because original digital layout files never existed or were no longer available from the publisher.

For PDF download editions, each page has been run through Optical Character Recognition (OCR) software to attempt to decipher the printed text. The result of this OCR process is placed invisibly behind the picture of each scanned page, to allow for text searching. However, any text in a given book set on a graphical background or in handwritten fonts would most likely not be picked up by the OCR software, and is therefore not searchable. Also, a few larger books may be resampled to fit into the system, and may not have this searchable text background.

For printed books, we have performed high-resolution scans of an original hardcopy of the book. We essentially digitally re-master the book. Unfortunately, the resulting quality of these books is not as high. It's the problem of making a copy of a copy. The text is fine for reading, but illustration work starts to run dark, pixellating and/or losing shades of grey. Moiré patterns may develop in photos. We mark clearly which print titles come from scanned image books so that you can make an informed purchase decision about the quality of what you will receive.
Original electronic format
These ebooks were created from the original electronic layout files, and therefore are fully text searchable. Also, their file size tends to be smaller than scanned image books. Most newer books are in the original electronic format. Both download and print editions of such books should be high quality.
File Last Updated:
May 06, 2024
This title was added to our catalog on May 06, 2024.