HomeExplore
Genres
Strategy GameCard GameCooperative GameSee more
Themes
FantasyFightingScience FictionSee more
Mechanics
Hand ManagementVariable Player PowersDice RollingSee more
Quick access
Short Games (< 30 min)2 Players GamesLight Playstyle Games
pay the ONE
Strategy GamesFamily GamesCard GamesWar GamesMiniature Games
  1. pay the ONEHome

Loading...

 
 

Loading...

 
 
 
 
 
 
 
 
Paytheone
Board games made easy
Company
  • About us
  • Career
  • Contact us
Legal
  • Privacy Policy
  • Terms of Service
  • Refund Policy
© 2026 Pay the ONE™. All Rights Reserved.
Facebook: PaytheOneInstagram: PaytheOneBGTwitter: @PaytheOneBG
  1. pay the ONEHome
  2. Diadem

Diadem

The long interrgnum after the collapse of the Galactic Empire is finally ending. New societies expand within the Diadem Cluster and seek dominance over their neighbours. Ground and space combat,... (read more)
Select an option above or just click "Explore Next" to skip this item and see the next product in your exploration list
Diadem is not currently available from any of our partners. Add it to your wishlist to be the first notified when it is.
Check out the purchase option here
Playtime
240 minutes
Published
1981
Age
12+
Publisher
Fantasy Games Unlimited
Players
2 to 4 players
Designers
Scott Bizar, Bob Weller, and Tim Zorn
Playstyle
Involved
Game's Categories
Science Fiction
Diadem preview imageDiadem
Check out the purchase option here

Description

The long interrgnum after the collapse of the Galactic Empire is finally ending. New societies expand within the Diadem Cluster and seek dominance over their neighbours. Ground and space combat, hyper-space, politics, economics, espionage, propaganda and scientific research all play important roles in determining the outcome of the game.

Purchase option

Buy Diadem
from Noble Knight Games logoNoble Knight Games

Out of Stock
Disclosure: This site includes affiliate links. PaytheOne may earn a commission for purchases made through these links, at no extra cost to you. Your support is appreciated.

Price History

Loading chart...

Game's Categories

Theme

  • Science Fiction

Publisher

  • Fantasy Games Unlimited

Designers

  • Scott Bizar
  • Bob Weller
  • Tim Zorn

Secret Unit Deployment

In Library
Wishlisted
Galactic Era is an epic space strategy board game with a focus on exploration, expansion and combat. The most innovative feature of the game is that you can choose to play as the "dark" or the "light" side with the appropriate consequences. You can switch...
Galactic Era
-19%
$149.00
$119.99
In Library
Wishlisted
Welcome to the height of technology and comfort, the Space Station Atlantis! All the comfort of a five star hotel, mixed with the adventure of space travel. The station is filled with staff, entertainers and guests trying to enjoy their out-of-this-...
Survive - Space Attack!
$99.95
$90.00

Tile Placement

In Library
Wishlisted
-28%
$24.95
$18.00
In Library
Wishlisted
-56%
$50.00
$22.00
In Library
Wishlisted
-19%
$99.99
$80.96

Science Fiction

In Library
Wishlisted
Empire of the Stars
In Library
Wishlisted
Small Star Empires: Galactic Divide, The
In Library
Wishlisted
Small Star Empires: Galactic Divide, The (Deluxe Edition)
In Library
Wishlisted
Warpgate
In Library
Wishlisted
Selfish: Space Edition

Open Drafting

In Library
Wishlisted
Space Race - The Card Game
In Library
Wishlisted
Firefly - The Game: Kalidasa - Rim Space Expansion
In Library
Wishlisted
Core Worlds
In Library
Wishlisted
Lift Off

Solo / Solitaire Game

In Library
Wishlisted
-88%
$49.90
$5.99
In Library
Wishlisted
-60%
$29.99
$12.00
In Library
Wishlisted
-78%
$50.00
$11.00
In Library
Wishlisted
$51.95

William Bricker

In Library
Wishlisted
$82.18
Long before the threat of the Nemesis, before the perils of warp drive or the founding of our own Space Academy, humanity experienced a Golden Age of space exploration. The mineral riches of the thriving Moon colony inspired legions of hearty Earth ...
71%
10+
1 to 6
60 mins
Relaxed
In Library
Wishlisted
-10%
$29.95
$26.88
In Tiny Epic Galaxies, the weight of the universe is on your shoulders. You are the supreme leader of your very own galaxy... in a galactic war!You will be competing with other galactic leaders to colonize the most sought after planets in the universe...
74%
14+
1 to 4
60 mins
Relaxed
In Library
Wishlisted
$0.00
In Tiny Epic Galaxies, the weight of the universe is on your shoulders. You are the supreme leader of your very own galaxy... in a galactic war!You will be competing with other galactic leaders to colonize the most sought after planets in the universe...
80%
14+
1 to 4
60 mins
Relaxed

Variable Set-up

In Library
Wishlisted

Space Station Phoenix

-29%
$79.95
$56.99
Space Station Phoenix is a worker-placement and resource management game set in one of Earth's possible futures. The players are representatives of the Galactic Council, sent to Earth to build space stations to observe and perhaps interact with humanity...
mostly positive, 70%
14 y/o +
2 to 4 players
90 minutes
Involved
Strategy Game
Science Fiction
Space
Action Retrieval
End Game Bonuses
Income
Ownership

Dice Game

In Library
Wishlisted
Following the events surrounding Shy Pluto, two new zones within known space have opened up. The Admiral has promoted two new Captains to the rank of Commodore to command these new Space Bases and work their sectors!Command Station allows players to ...
Space Base: Command Station Expansion
-20%
$44.99
$35.99
In Library
Wishlisted
MLEM: Space Agency is a family board game where you become commanders of space expeditions. But not any ordinary commanders, because your astronauts are . . . cats! Fearless and stubborn, they long took over the rule of Earth, and now they want to conquer...
MLEM: Space Agency
-18%
$32.99
$26.99

Fantasy Flight Games

In Library
Wishlisted
$55.99
Build a galactic empire...In the depths of space, the alien races of the Cosmos vie with each other for control of the universe. Alliances form and shift from moment to moment, while cataclysmic battles send starships screaming into the warp.Players...
75%
12+
3 to 5
60 mins
Relaxed
In Library
Wishlisted
-20%
$124.49
$99.99
Build a galactic empire...In the depths of space, the alien races of the Cosmos vie with each other for control of the universe. Alliances form and shift from moment to moment, while cataclysmic battles send starships screaming into the warp.Players...
86%
12+
3 to 5
60 mins
Relaxed
In Library
Wishlisted
-43%
$41.99
$24.00
The Rebel Alliance fights valiantly against the tyranny of the Galactic Empire. Each new victory brings the Rebels hope, and each heroic sacrifice strengthens their resolve. Still, the Empire’s resources are vast, and the firepower of its Empire Navy...
83%
12+
2
30 mins
Relaxed

Playroom Entertainment

In Library
Wishlisted

Space Shuffle

-17%
$5.95
$4.95
The Strategic Game of Astronomical Proportions!In Space Shuffle, form Solar Systems and collect points in a game that is truly out of this world! As you place the planets in their correct galactic order, you will gain points depending on the planet'...
8 y/o +
2 to 5 players
30 minutes
Card Game
Science Fiction

Set Collection

In Library
Wishlisted

Time 'n' Space

$9.00
$8.95
Here, where space is endless and time is precious, you face the challenges of a true space commander. From the bustling hub that is your control center, you coordinate your planet's production, transport, and demand. The catch is: each of your actions...
mixed, 53%
10 y/o +
3 to 4 players
30 minutes
Relaxed
Strategy Game
Economic
Science Fiction
Negotiation
Action Timer
Pick-up and Deliver
Point to Point Movement

Deep Water Games

In Library
Wishlisted

Sovereign Skies (Kickstarter Edition)

-29%
$35.00
$25.00
Long ago in a time of war, the six alien planets of the Abyssi cluster worked hard to find diplomacy and eventually came to form a fragile democracy. For humankind, the discovery of this cluster could mean abundant and cheap energy in the form of the...
12 y/o +
1 to 4 players
45 minutes
Strategy Game