Games > BATCHAN'S GAME

Is this a personal variant? I can't find anything web searching for 'Batchan's game'.

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Batchan is an affectionate form of おばあちゃん (obaachan), Japanese for grandmother. It roughly translates to granny.
In Brazil, Tic Tac Toe is called "Jogo da Velha," which translates to "Old Lady's Game."
The tile I gave this cartridge is a word play.
My partner was the one who introduced me to this variation of the game. I don't know what it is actually called.