
- BGG rank
- BGG #27,487
- BGG rating
- 5.5
Oust
- 2 players
- 20–60 min
- Complexity 2.8/5
- 2007

1993
Rules assistance for Tanbo
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.
For 2 players

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Answers come from the official rulebook, with the page to check.
Tanbo is a board game released in 1993 for 2–4 players, 30–90 minutes per game, and ages 5 and up. It was designed by Mark Steere and its main mechanics are Tile Placement, Square Grid, and Enclosure.
Tanbo (Japanese for "rice paddy") is played on a grid of size 7x7, 11x11, 15x15... Or 5x7, 7x9, 9x11, 11x13... The board is initially populated with black and white stones, thoroughly interspersed, with one empty point (intersection) between stones. The two players, Black and White, take turns placing stones of their own color onto unoccupied points on the board, one stone per turn, starting with Black. You must place your stone orthogonally (horizontally or vertically) adjacent to exactly one of your on-board stones. [All relevant adjacencies here are orthogonal.] Roots and captures A "root" is root-like, monocolored group, which could be a single stone. The game begins with a fixed number of roots. Roots cannot merge together, and new roots cannot be created. The "current root" is the root which you enlarged during your current turn. A root is “bounded” if it’s so tightly surrounded that it doesn’t have room to grow. There are no legal placements available that would enlarge the root. [More technically, there is no unoccupied point which is adjacent to exactly one stone in a bounded root and which is not adjacent to any other stones of the bounded root's color.] If your placement has bounded your current root, you must immediately remove your current root from the board, concluding your turn. If your placement has not bounded your current root, but has bounded other roots, of either or both colors, you must immediately remove all of the roots that were so bounded, concluding your turn. Object of the game The goal is to annihilate your opponent. When all of the roots of one color have been removed, the player of the other color wins. You can win on either player's turn. Design notes Tanbo was the second game I ever designed, back in 1993. It originally had a much sparser initial position, having only 16 stones on a size 19 board. Now in 2026, I'm re-releasing Tanbo, with a much denser initial position, but otherwise exactly the same rules. This creates more fluid, less stilted gameplay. Tanbo is a classic. It's been bastardized, butchered, and debased. But never equaled.
Tanbo supports 2–4 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 Tanbo is 30–90 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 Tanbo for ages 5 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.
Tanbo has a complexity rating of 2.8 out of 5 from BoardGameGeek players, which makes it a medium-light 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.
Tanbo belongs to these categories: Abstract Strategy. Its main mechanics are Tile Placement, Square Grid, and Enclosure. 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 Tanbo are: Mark Steere. 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 Tanbo as a base game. It can be played on its own with the components in the box and does not require any other title. Expansions, if any exist, add new content or rules on top of it and are listed separately in the catalogue with a link back to this base game.