
- BGG rank
- BGG #1,685
- BGG rating
- 7.5
UBOOT: The Board Game
- 1–4 players
- 30–120 min
- Complexity 4.2/5
- 2019

Expansion for Command at Sea: 4th Edition – War at Sea 1926-1955
2005
Rules assistance for Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI)
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.
Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) is an expansion for Command at Sea: 4th Edition – War at Sea 1926-1955 released in 2005 for 2 players, 150 minutes per game, and ages 12 and up. It was designed by Christoph Kluxen and its main mechanics are Simulation.
Subtitled 'Scenarios for WWII Naval Warfare in the Baltic Theater'. 13 scenarios and 11 articles. New rules for mine warfare. Data for most Russian, German and Finnish ships.
Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) supports 2 players according to the catalogue. This is the publisher’s listed player count, so the game is designed for exactly that number of participants. Variants for other group sizes, if any, are described in the rulebook of your edition, so check it before setting up a different configuration.
The listed playing time for Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) is 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 Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) 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.
Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) has a complexity rating of 4.0 out of 5 from BoardGameGeek players, which makes it a heavy 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.
Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) belongs to these categories: Wargame, Miniatures, and Nautical. Its main mechanics are Simulation. 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 Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) are: Christoph Kluxen. 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 Baltic Arena: Scenarios for World War II Naval Warfare in the Baltic Theatre – An Expansion for Command at Sea (Volume VI) as an expansion for Command at Sea: 4th Edition – War at Sea 1926-1955. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Command at Sea: 4th Edition – War at Sea 1926-1955 to use it. Check that your edition of Command at Sea: 4th Edition – War at Sea 1926-1955 is compatible, as some expansions were revised between editions.