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By Cyclopean · A Tabletop Role-Playing Game

The power to destroy a thing is the absolute control over it.

— Frank Herbert, Dune

◆ Early Access — The full system is free and online. Rules are still being written. Your feedback is desired!

The Thesis

Glass Empires simulates pre-industrial human power dynamics on an animistic discworld where there is no distinction between magic and nature.

An institution is tribal knowledge
& great leaders.

Bureaucracies do not know how to be a bureaucracy.
The bureaucrat knows how to be a bureaucracy.

All wars are bankers' wars,
& are means of resolving debts.

Every man is a bank, in different forms,
& to varying degrees of competency.

What This Game Is

From the Book

Three Rules


Magic · Ritual Cooking

You Are What You Eat

Mutation through ritual consumption

Anyone whose background indicates they learned cooking can make food out of a fresh spirited corpse. The meal conveys some of the blessings — and horrors — of a given creature.

Each character rolls 1d6 per HD they possess vs. 1d6 per HD they ate. On a loss, they mutate to become more like the creature they ate. For sapient creatures, this includes the mental qualities of that entity. Write down the meal as a Fact applicable to mental and psychological acts.

Many harpy flocks & some salamanders prey on humans because going from 1 HD to 2 HD is a big deal. The cost is that eating a peasant makes you more peasantlike — which includes an incapacity for war or violence. High-quality targets are rare and difficult to hunt specifically because they're high-quality.
Read the full rule
Class · Gangster

Blackmail Ledger

A Gangster class feature

You are a smuggler, racketeer, and underworld financier. You solve problems beyond the scope of what the Lords' courts can help with. If you had your way, nobody would ever know you existed — and most never do.

Blackmail Ledger. The first time you personally spend at least an hour with someone, you may ask the GM one of these questions about them: What's their deepest secret? Who do they fear? What debt burdens them the most? Who would they betray first? The GM must answer truthfully, no longer than a sentence.

Other Gangster features include Network of Whispers (uncanny knowledge of which factions were actually involved in any event), Master of Implication (your verbal lies cannot be detected, including by rules that say they can), and Strings Attached (call in any debt at any time; on default, a free Sabotage Move).

Read the full class
Faction · Mine Clan

Resource Monopoly

Salamanders and the politics of denial

Your Capital is a mine, an underground center for resource production. In Glass, every Mine is managed by Salamanders; Glassians no longer know how. ~7,500–10,000 salamanders across 4–6 mine complexes hold the entire metal economy of an island of half a million.

Resource Monopoly (Minerals). As a Move with a 1-day Deadline, you can Deny Minerals to any Faction. If they don't have a Neutral or Friendly relationship with a sovereign who controls a Mine, all their mineral-dependent Moves have doubled Deadlines, and all mineral-dependent items doubled cost in $.

Your mine is an unwieldy nightmare of winding tunnels unnavigable by anyone other than salamanders. Armies composed of non-subterranean races cannot invade or occupy you. Cut off their surface supply, though, and within a month their Families begin starving en masse.

Read the full faction type
Map of the Island of Glass

The Setting

The Island of Glass


The default scenario plays out on Glass, a once-united island whose immortal ruler, Kain, abdicated his throne. Civil war was the inevitable result.

Lady Eagle is partnered with the Venetian banks. Lord Arcades runs a necromantic Panopticon. Lord Beacon is backed by Hydrean Jesuits. General Ram leads the populist uprising. Admiral Edward's amphibious forces wait offshore. Salamanders mine the metal. Harpies fly the messages. The coralers wait beneath the coast.

Population
~500,000
Factions
5 major
Species
Human · Salamander · Harpy · Coraler
Status
Civil war

Free & Online

Glass will know your name


The entire game — rules, bestiary, setting, generators — lives at srd.glassempires.com. Searchable, hyperlinked, and built to be used at the table. No PDF hassles, no paywall, no login.

What's a Braunstein?

Many players. One referee. One world.


A Braunstein is a tabletop format predating Dungeons & Dragons. Players control rival factions across the same map. A referee mediates simultaneous orders submitted each turn. Conflicts resolve. Periods advance. Empires rise and fall.

Glass Empires is built for this mode but plays comfortably as a traditional OSR campaign too — your character is still a person. But your character's power is your faction.

Who This Is For

Players who think in systems.


  • OSR / DIY-D&D players who want rules with mechanical teeth
  • Gamemasters who run faction-heavy or domain-level campaigns
  • People who liked ACKS, GLOG, or the Monster Overhaul
  • Anyone curious about Braunstein-style play in a fantasy setting
  • Designers who appreciate rules that do worldbuilding
  • Anyone who finished Dune and wanted more of that
Probably one of the most psychotic games I've ever played.

— Playtester

Get Involved

Connect


The system is in early access. It is an extremely novel design and it is not complete. Your feedback shapes what gets written next.

Saki's Blog & Newsletter

I write at Sakiroku — theory, design notes, and updates on Glass Empires and other Cyclopean projects.

Feedback & Contact

Rules feedback, play reports & angry yelling are all welcome. This is the kind of game that needs people to break it.

Email:

DnDungeon

Cyclopean's other big project: battlemaps & creative assets for tabletop games.

Visit DnDungeon