Atoll is a two-player abstract board game played on a specially shaped board that was invented by Mark Steere in 2008. This game is a member of the connection game family including such game as Hex , Y , Havannah and Gonnect .


Atoll is played on a special board with a hexagonal pattern of cells. The edge of the board is divided into 8 islands which are colored alternately white and black:

Object of the Game

The goal of Atoll is to form a connected chain of your stones linking two opposite islands marked by your color.  You can either connect your opposite islands directly or you can form two separate connections which link three of your islands together.  The following cells are considered to be part of both adjoining islands: A1, H4, O8, A7, A13, H17, O20 and O14.  Below are two examples of the described variants of a chain:

A chain connecting two opposite islands directly.


A chain connecting two opposite islands via a third one.

No draws are possible in Atoll.


The game begins with an empty board.

Each player has an allocated color: Black or White.

Starting with Black, players take turns placing a stone of their color on any empty cell of the board.

Since the first player has a distinct advantage, the pie rule is used for making the game fair.  This rule allows the second player to switch colors after the first player makes his first move.

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