No AI Galaxy Builder Decks - New Releases, New Bundle Sales!

Journey Mountain Studios · Jul 17, 2026

This month Galaxy Builder Decks sees the release of a new card set, card checklist, new bundle sales for building your own galaxies!

New Releases!

Discovery Set 2 - Now available in PDF. This 9-card set expands on your Planet Traits for customizing your Planets and Systems, such as rare Double Planets, invasive Parasites, and Void Zones where ships vanish.
Included in the set:

1x double planet planetary trait card
1x gravity distortion planetary trait card
1x parasite lifeform trait card
1x hibernation lifeform trait card
1x rapid evolution lifeform trait card
1x implanted population civilization trait card
1x astrogation shortcut civilization trait card
1x void zone civilization trait card
1x ancient site civilization trait card

Card Checklist - Want to know what decks and sets you have in your collection? Or find which deck has the card you are looking for? Use this helpful interactive checklist PDF to keep track of all your worlds.

New Bundle Sales!

30% Off PDF Bundle Sale - This everything bundle includes the newly released Discovery Set

25% Off Planet 1 & 2 Bundle - Picked up the first Planets Deck and not yet got the 2nd? Now's your chance to expand your universe and get it at a discount! Drivethrurpg will automatically detect you have the first card so you only get the second. Includes both Planets Deck and Planets 2 Deck to complete the main collection of planets, including new city planets, ring worlds, new biome variant worlds, and more.

Planets 1 & 2 [Cards][Bundle] - 104 cards, includes PDFs Free
Planets 1 & 2 [PDF][Bundle] - 104 cards
Cards Included:
8x Continental - Earth-like watery planets
- (small, medium, large, large ringed)
4x Desert - Hot, arid planets with little water
- (small, medium, large, large ringed)
4x Glacier - Cold, icy planets
- (small, medium, large, large ringed)
4x Ocean - Sea-covered planets with 80-100% water
- (small, medium, large, large ringed)
4x Jungle - Warm, marshy planets
- (small, medium, large, large ringed)
4x Swamp - Lush, forested planets
- (small, medium, large, large ringed)
5x Volcanic - Scorched, lava-covered planets
- (tiny, small, medium, large, large ringed)
10x Barren - Cratered moon-like planets
- (tiny, small, medium, large, large ringed)
5x Ice balls - Pluto-like planets covered in ice
- (tiny small, medium, large, large ringed)
4x Ecumenopolis - Temperate City Planets
- (small, medium, large, large ringed)
4x Alpine - Cool, Mountainous planets
- (small, medium, large, large ringed)
4x Grassland - Temperate, Treeless grassy planets
- (small, medium, large, large ringed)
4x Archipelago- Warm, island chain planets
- (small, medium, large, large ringed)
4x Forest - Lush, forested planets
- (small, medium, large, large ringed)
3x Ringworld - Artificial ring habitats
- (continental, desert, city)
7x Gas Giants - Cloud-covered planets (Hot and Cold classes)
- huge, huge ringed, huge, huge ringed)
6x Asteroids - Rocky debris
2x Comets - Venting icy body
9x Stars - Sun-like stellar objects
- Blue B-type, Blue-white A-type, Yellow-white F-type, White Dwarf, Pulsar, Brown dwarf T-type, Yellow G-type, Orange K-type, Red M-type
1x Black Hole - Cosmic region of high concentration of matter and gravity
1x Lagrange Point - Stable gravitational point in space
2x Moonlets - tiny orbiting rocks
2x Wormholes - Spacetravel tunnels
2x Gas Clouds - Areas of gas and dust
2x Jumpgates - Portal Constructs

Don't forget Core Bundles, which feature just the Core decks and one systems mat. This bundle was created for players to receive cards at a discount for the core galaxy building experience.

Planets & Systems - [Core PDF] [Bundle] - 15% Off for $36.99
Planets & Systems - [Core PRINT] [Bundle] - 15% Off for $56.99
The bundle includes
- Planets Deck
- Planets 2 Deck
- Planet Traits Deck
- Star Systems Deck
- Star System Mats
- Free Pack Collection
- Free Data Sheets

Like the series! Let us know!
If you would like to share any feedback, issues, or suggestions about the series, you can reach out to us at contact@journeymountain.com.

Journey Mountain Studios · Jul 24, 2026

Digital Weekend Sales are here! Get these discounted PDF sets now through the rest of July!

Discovery Set 2 (New Release!) - PDF Discount Code - Only $1.74
Stellar Set 1 - PDF Discount Code - Only $0.49
Stellar Set 2 - PDF Discount Code - Only $0.49

Galaxy Builder Decks: Discovery Set 2 is a brand new 9-card set expanding on your Planet Traits for customizing your Planets and Systems, such as rare Double Planets, invasive Parasites, and Void Zones where ships vanish.
Included in the set:

1x double planet planetary trait card
1x gravity distortion planetary trait card
1x parasite lifeform trait card
1x hibernation lifeform trait card
1x rapid evolution lifeform trait card
1x implanted population civilization trait card
1x astrogation shortcut civilization trait card
1x void zone civilization trait card
1x ancient site civilization trait card

Galaxy Builder Decks: Stellar Set includes a mix of 9 new B-F-type Giant stars and blue/purple gas clouds and a unique trait card for your adventures. Designed to fit on Star System Mats and give you 6 stars, or you can flip a card around and make 3 full stars! Great for creating binary and trinary star systems.

2x Bv-type Blue Giant Star planet cards
2x Av-type Blue-White Giant Star planet cards
2x Fv-type Yellow-White Giant Star planet cards
1x Ion Storm planet trait card

Galaxy Builder Decks: Stellar Set 2 includes an expanded mix of 9 new G-M-type Giant stars, red/orange gas clouds, and a unique trait card for your adventures.