Synonyms for Tit-tat-toe (same or very similar meaning)
WordNet sense 1 (a game in which two players alternately put crosses and circles in one of the compartments of a square grid of nine spaces; the object is to get a row of three crosses or three circles before the opponent does):
tic-tac-toe, ticktacktoe, tick-tack-toe, ticktacktoo, noughts and crosses
From the ODE community, based on WordNet
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