Concilium Urbis

AI-friendly board game rules summaries — use with Claude, ChatGPT, or any AI assistant

Overview

Concilium Urbis is a city-building game with a voting mechanism. Players build their own cities while participating in a council that votes on laws affecting all players. The game features simple rules that maintain strategic depth through the interaction of building, production, and legislative phases. The game is played over multiple rounds with four distinct phases each.

Components

Setup

  1. Each player takes a city board.
  2. Shuffle law cards and place as a draw deck.
  3. Distribute starting resources to each player.
  4. Set up the council board with voting areas.
  5. Determine first player.

Turn Structure

Each round has 4 phases:

Phase 1: Law Reveal

Reveal two new law cards that will change the central scoring conditions.

Phase 2: Construction

Players simultaneously build in their cities, placing building tiles according to construction rules.

Phase 3: Production

Cities produce resources based on their buildings and infrastructure.

Phase 4: Voting

Players vote on whether revealed laws will be applied or canceled. Each player uses voting tokens to support or oppose laws.

Actions

Scoring / Victory Conditions

Points are earned through building achievements, fulfilled scoring conditions from active laws, and production bonuses. The player with the most points at game end wins.

Special Rules & Edge Cases

Player Reference

Phase Summary
1. Law Reveal Two new laws revealed
2. Construction Build in your city
3. Production Generate resources
4. Voting Vote on laws