Concordia Solitaria Expansion – Solo & 2-Player Strategy | Rio Grande Games

Expand Your Concordia Experience

Concordia Solitaria expands the classic strategy game by adding a solo and 2-player expansion that introduces CONTRARIUS, a clever AI opponent who reacts to the cards you play. The result is a fresh, card-driven challenge that rewards planning, timing, and adaptation as you build routes, settlements, and wealth across your map.

How it changes the game

• Card-driven reactions: the opponent’s moves and responses are shaped by the cards you choose, turning each decision into a meaningful test of foresight.
• Flexible modes: choose solo play against CONTRARIUS or pair up for a cooperative 2-player experience with shared goals or individual challenges.
• Easy to integrate: this expansion works on any Concordia map and with other Concordia expansions, so you can mix setups with your favorites.

In solo play, you feel the pressure of a tight, ticking clock as you balance income, worker placement, and development while the AI adapts to your strategy. In 2-player mode, teamwork adds a new layer of coordination and timing, as allies share intent and coordinate routes and trades to outpace the opponent.

Gameplay length and components

• Expect sessions that range from 45 to 90 minutes, depending on map size and player pace.
• The box contains 77 pieces: 4 dice, 72 cards, and 1 rule book, all designed for smooth setup and play.

Setup, compatibility, and tips

• Requires the base Concordia or Concordia Venus to play, ensuring you can slot Solitaria into your existing library seamlessly.
• Compatible with any map and most expansions, letting you tailor your experience to your group’s preferences.

Why players choose Concordia Solitaria

The expansion adds replayability and fresh decision-making without changing the core mechanics you already enjoy. It invites careful planning, moment-to-moment reactions, and strategic resource management, all while maintaining the elegant pace and tactile feel of Concordia. Consider it a set of new challenges that can be mixed into your preferred maps and expansions, offering possibilities rather than guarantees.