
- BGG rating
- 9.0
Keystone: North America – Second Edition: Coastal Expansion – 4-Player Upgrade Pack
- 3–4 players
- 2025

Expansion for Keystone: North America – Second Edition
2025
Rules assistance for Keystone: North America – Coastal Expansion
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.
Keystone: North America – Coastal Expansion is an expansion for Keystone: North America – Second Edition released in 2025 for 1–2 players, 30–60 minutes per game, and ages 10 and up. It was designed by Isaac Vega and Lindsey Rode and its main mechanics are Variable Set-up, Tile Placement, and End Game Bonuses.
Immerse yourself in the beauty of North America's coastlines in the Coastal Expansion for Keystone: North America. Encounter 28 captivating new species and explore exciting new game mechanics that will challenge even the most seasoned biologists. Dive deep into the narrative with a brand-new field journal containing 10 solo and co-op story scenarios, each offering unique challenges and opportunities for discovery. Expand your Keystone experience and discover the wonders of coastal ecosystems in this essential expansion. Whether you're a seasoned player or new to the game, the Coastal Expansion contains hours of exploration and enjoyment. -description from publisher
Keystone: North America – Coastal Expansion supports 1–2 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 Keystone: North America – Coastal Expansion is 30–60 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 Keystone: North America – Coastal Expansion for ages 10 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.
Keystone: North America – Coastal Expansion belongs to these categories: Card Game, Animals, and Puzzle. Its main mechanics are Variable Set-up, Tile Placement, and End Game Bonuses. 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 Keystone: North America – Coastal Expansion are: Isaac Vega and Lindsey Rode. 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 Keystone: North America – Coastal Expansion as an expansion for Keystone: North America – Second Edition. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Keystone: North America – Second Edition to use it. Check that your edition of Keystone: North America – Second Edition is compatible, as some expansions were revised between editions.