Ключевые слова: action, background, black, blackboard, board, chalk, chalkboard, challenge, children, color, competition, crosses, drawn, entertaining, entertainment, fun, game, gamer, gaming, hobby, kids, leisure, level, nobody, noughts, object, play, player, playing, puzzle, result, rules, simple, strategy, success, tac, tic, toe, top, victory, view, white, win,