Niren-go

The game "Niren-go" is played by two players who alternately place black and
white stones on the vacant intersections of a grid of 7×7 lines.
However the player should NOT place an unbroken row of three stones
horizontally, vertically, or diagonally.
If a player cant place a stone, a player is the loser of the game.

Its simple, but is not simple after all.

The CPU has a three step of game level.
If you move ahead, you become the new title.

Get the title "Hsien"!

【The characteristics】
・You can choose "VS CPU" mode, "VS Human" mode.
・The CPU has a three step of game level.
・You can use "Retract" and "Hint".
・You move ahead in "VS CPU" mode and get the title, the highest rank "Hsien".

※This game which was prevalent in the 80s is the iPhone/iPod touch port.