There are a lot of variations of the
five-in-a-row games. None of the games have fixed rules. The
rules are in the idea-phase where all consequences not are
Game with a common center stone
In this game the center stone is black when it
is black's move and white when it is whites move.
Black starts the game in the center of the board.
Game with atomic bomb
Once in a game each player has the right to
drop an atomic bomb instead of a usual move. After dropping the
bomb this bomb-stone is left on the board but all other black and
white to the bomb adjacent stones diagonally, horizontally or
vertically must be taken away from the board.
This is a funny variation of pente or Keryo-Pente.
(The program x and o allows use neutral stones in all Five-in-a-row games).
has two neutral stones in a third color. Each player has the
right to use the neutral stone for a move instead of the ordinary
stones for this player. The neutral stone is not possible to
capture by neither black nor white. Combinations of the above
mentioned funny games may be possible.