
- BGG rank
- BGG #1,026
- BGG rating
- 7.8
Empires: Age of Discovery
- 2–6 players
- 50–150 min
- Complexity 3.3/5
- 2015

Rules assistance for Mosaic: Wars and Disasters
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.
Mosaic: Wars and Disasters is an expansion for Mosaic: A Story of Civilization released in 2023 for 2–6 players, 90–150 minutes per game, and ages 12 and up. It was designed by Glenn Drover and its main mechanics are Hand Management, Area Majority / Influence, and Open Drafting.
The story of civilizations is punctuated with wars and disasters. Civilizations either survived them and continued on their journey, or succumbed to them and faltered. Will your civilization be strong enough to weather the storm? Mosaic: Wars and Disasters contains many new elements to allow you to explore deeper strategies and face new challenges, including: --National Military Powers, which are unique bonus powers for each civ that trigger during Empire Scoring --Naval Units, which are more expensive than regular army units but gain a trade good and can zip around the board to add influence in other regions --War Tiles, which give much needed variety to the Military Action and can directly affect other players --Disaster cards, consisting of 12 events that generally negatively affect players who are not keeping up with the Pillar collections, and the cards that are inserted into the four decks that will trigger the events Admin note: While this box is listed for 1-6 players, no rules are included for incorporating the expansion elements into solo play.
Mosaic: Wars and Disasters 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.
The listed playing time for Mosaic: Wars and Disasters is 90–150 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 Mosaic: Wars and Disasters for ages 12 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.
Mosaic: Wars and Disasters has a complexity rating of 3.0 out of 5 from BoardGameGeek players, which makes it a medium-weight game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.
Mosaic: Wars and Disasters belongs to these categories: Expansion for Base-game and Civilization. Its main mechanics are Hand Management, Area Majority / Influence, and Open Drafting. 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 Mosaic: Wars and Disasters are: Glenn Drover. 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 Mosaic: Wars and Disasters as an expansion for Mosaic: A Story of Civilization. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Mosaic: A Story of Civilization to use it. Check that your edition of Mosaic: A Story of Civilization is compatible, as some expansions were revised between editions.