
- BGG rank
- BGG #5,404
- BGG rating
- 6.9
Imperium: Empires in Conflict – Worlds in the Balance
- 2 players
- 180–300 min
- Complexity 2.6/5
- 1977

Rules assistance for Harpoon: Sub Forms – Submarine Data Sheets
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

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Answers come from the official rulebook, with the page to check.
Harpoon: Sub Forms – Submarine Data Sheets is an expansion for Harpoon (Third Edition) released in 1989. It was designed by Marc W. Miller.
An expansion for the 3rd Edition Harpoon, it contains pre-made submarine forms for 7 different countries, and over 35 submarines. It includes: USA - Barbel class, Los Angeles class, Imp. Los Angeles class, Narwhal class, Permit class, Seawolf class, Skipjack class, Sturgeon class USSR - Akula class, Alfa class, Charlie I class, Charlie II class, Echo II class, Echo II Mod class, Foxtot class, Juliett class, Kilo class, November class, Oscar I class, Sierra class, Tango class, Typhoon class, Victor III class, Yankee SSN class UK - Oberon class, Swiftsure class, Trafalgar class, Upholder class, Valiant class French - Agosta class, Daphne class, Rubis class Italian - Salvatore Pelosi class, Nazario Sauro class, Enrico Toti class FRG - U-13 class, Type 211 class Dutch - Zwaardvis class
Harpoon: Sub Forms – Submarine Data Sheets 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.
Harpoon: Sub Forms – Submarine Data Sheets belongs to these categories: Nautical, Modern Warfare, and Expansion for Base-game. Categories describe the theme, setting and style of a game rather than its rules. Filter the catalogue by the same category to find similar games when you enjoyed Harpoon: Sub Forms – Submarine Data Sheets and want something comparable for your next game night.
The credited designers of Harpoon: Sub Forms – Submarine Data Sheets are: Marc W. Miller. 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 Harpoon: Sub Forms – Submarine Data Sheets as an expansion for Harpoon (Third Edition). Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Harpoon (Third Edition) to use it. Check that your edition of Harpoon (Third Edition) is compatible, as some expansions were revised between editions.