18??
BGG rating
7.3

Expansion for 1870: Railroading Across the Trans Mississippi from 1870

18??

2012

Rules assistance for 18??

Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

  • 2–6 players
  • 360 min
  • 14+
  • Complexity 3.3/5

Rules assistant for 18??

What would you like to know?

Answers come from the official rulebook, with the page to check.

18?? is an expansion for 1870: Railroading Across the Trans Mississippi from 1870 released in 2012 for 2–6 players, 360 minutes per game, and ages 14 and up. It was designed by Allen Sliwinski and its main mechanics are Auction / Bidding, Network and Route Building, and Stock Holding.

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About the game

18?? is an 1870 variant with a new map, a large selection of private companies, and some major rule changes designed to make each game play differently. The base 1870 game rules are used. The game kit includes a summary of rules differences from 1870. The private companies vary game-to-game and players choose their company's starting city when a company opens. A copy of 1870 is needed to play 18?? because the kits only include the new parts.

Questions and answers

18?? supports 2–6 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.