inpHeXion (English)

History †

inpHeXion is a connection game invented by Masahiro Nakajima, the Curator of 'The Museum of Abstract Strategy Games' in 2014, in the motif of growth of fungus.

2015/4/12 AiAi is a great computer game system by Stephen Tavener. inpHeXion is available on AiAi. You may play inpHeXion on AiAi with several board sizes.

2014/6/23 The game rule has been revised.

2014/10/4 The official rules have been renewed with the release of the game from nestorgames.

2015/1/26 Nominated for BEST COMBINATORIAL 2-PLAYER GAME OF 2014 on Board Game Geek.

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Description †

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Board & Pieces †

inpHeXion is a two-player game.

7x7 board

A Hex board (7x7*1) is used for the game. Discs are placed on cells of the board.

Two players have either 25 white or black discs as his own color. White starts the game.

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Game Play †

Players take turns to place one of his discs in hand on the board. No pass is allowed.

The first player (white) picks any cell on the board and places his first disc there.

Pie Rule can be applied.

Basic Placement Rule
Discs can be placed only on the cells where opponents' discs are, except of the very first move of the first player. Players move one of opponents' Discs to one of next empty cells, then place one of his discs in hand on the cell that he just emptied. Discs cannot be moved if all of their next cells are occupied.


Black moves a white disc to an adjacent cell	Black places a black disc where he just emptied

When a player A's disc surrounded by player B's discs as a result of player B's move (Corners of the board can be used as well)
Player B picks the player A's disc that he just surrounded with his own discs, moves it to any empty cell on the board, and finishes his turn.


White moves a black disc.	White surrounds a black.	White moves the black disc that is surrounded by white.

A surrounded disc is obligatorily moved to another cell.
A group of two or more surrounded discs are not moved.
A disc is not moved when it is surrounded by opponents' discs as a result of his own move.

If multiple isolated enemy discs are surrounded simultaneously, all of them must be moved to empty cells. Note that none of the starting cells can be used as destination cells.


White moves a black disc to an adjacent cell	then places a White disc, making two black discs to be fully surrounded simultaneously	then moves both discs elsewhere

Those 2 black discs are not moved

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End of the Game †

When there is no legal move left for either player, or when one of the players' discs connect two opposite sides of his color of the board.

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Goal †

The player that connected two opposite sides of his color of the board first wins. Note that you lose if you happen to complete your opponents' connection with your own move. Also, the player who has no legal moves left loses.

Moving the enemy disc to an empty cell after surrounding is mandatory: There are cases no empty cells left for this toward the end of a game. If you cannot move the surrounded disc(s), you lose the game.

An Example of End Game (White Won)

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Variants †

Play with a Neutral Piece

Place the "Neutral Disc" (one white and one black piece stacked) in the center cell of the board.
The Neutral Disc will can be removed from where it is to place either black or white piece in her turn.
The first move of the white will start from the center cell replacing the Neutral Disc.
The Neutral Disc also needs to be moved to another cell when it is surrounded by either color.
The Neutral Disc is NOT counted for a winning condition to connect opposite sides.
Other rules are the same as the original game.

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Note †

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