XXX activity

• Game on a 3 x 3 grid (hyph.)
• Game featured in the movie "WarGames"
• Theme of the puzzle
• XXX or OOO
• Kids' game that usually ends in a draw
• Childish game from US, approval short, diplomacy out-of-date, heartless
• Three-in-a-row game (hyph.)
• Game that often ends in a tie
• "Hollywood Squares" basis

Wikipedia Word definitions in Wikipedia
redirect Tic-tac-toe