
- BGG rank
- BGG #671
- BGG rating
- 8.0
Shadows of Brimstone: City of the Ancients
- 1–4 players
- 120 min
- Complexity 3.4/5
- 2014

Expansion for Shadows of Brimstone: Forbidden Fortress
2018
Rules assistance for Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

What would you like to know?
Answers come from the official rulebook, with the page to check.
Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness is an expansion for Shadows of Brimstone: Forbidden Fortress released in 2018 for 1–4 players, 120 minutes per game, and ages 12 and up. It was designed by Jason C. Hill and its main mechanics are Dice Rolling, Grid Movement, and Role Playing.
High-detail plastic gateway models enhance your games of Forbidden Fortress. This box includes a full set of Japanese Gateways and Belly of the Beast Gateways along with a 15-card Mini-Expansion featuring some exciting new Encounters, Gear, Artifacts, and Darkness cards. —description from the publisher
Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness supports 1–4 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness is 120 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
The catalogue lists Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness for ages 12 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness belongs to these categories: Fantasy, Horror, and Exploration. Its main mechanics are Dice Rolling, Grid Movement, and Role Playing. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The credited designers of Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness are: Jason C. Hill. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists Shadows of Brimstone: Forbidden Fortress – Gateways Into Madness as an expansion for Shadows of Brimstone: Forbidden Fortress. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Shadows of Brimstone: Forbidden Fortress to use it. Check that your edition of Shadows of Brimstone: Forbidden Fortress is compatible, as some expansions were revised between editions.