Game of X's and O's, Aka Noughts and Crosses
This page is the CodyCross answer for the clue below from Welcome to Japan, Group 573, Puzzle 2 (Pacific Ocean).
Question is: Game of X's and O's, Aka Noughts and Crosses
and the answer is: TICTACTOE
Word Meaning:
TIC TAC TOE — Alternative form of tic-tac-toe.
Definitions from Wiktionary.