A House Divided: War Between the States 1861-65

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

Overview

A House Divided is a strategic-level wargame of the American Civil War (1861-1865) for two players. One player commands the Union (North) and the other the Confederacy (South). Using point-to-point movement on a map of the eastern United States, players maneuver armies, fight battles, and attempt to capture key cities to achieve victory. The game features simple rules but deep strategic decisions.

Components

Setup

Per scenario (1861 Campaign Game is the standard). Place units on designated starting locations as specified in the scenario setup charts. The Union player sets up first, then the Confederate player.

Turn Structure

Each game turn represents approximately 2 months. Turns follow this sequence:

  1. Confederate Movement Phase – Confederate player moves units.
  2. Combat Phase – Resolve battles where opposing forces occupy the same location.
  3. Union Movement Phase – Union player moves units.
  4. Combat Phase – Resolve battles.
  5. Recruitment Phase – Both players receive and place reinforcements.
  6. Promotion Phase – Eligible units may be promoted.

Actions

Movement (4.0)

Combat (5.0)

Recovery (5.7)

Recruitment (7.0)

Scoring / Victory Conditions

Control

Victory Conditions (10.0)

Special Rules & Edge Cases

Player Reference

Unit Types Movement Combat
Infantry 1-2 spaces Standard fire
Cavalry Extended jump moves Withdrawal option
Key Terrain Effect
Entrenchment -1 to attacker’s die roll
River crossing +1 to attacker’s die roll
Coastal locations Subject to Union naval invasion
Scenarios  
1861 Campaign Full war
1862 Scenario Mid-war start
1863 Scenario Late-war start
1864 Scenario End-war start