The Real Madrid forward was superb in Portugal's 3-3 draw with Spain on Friday, giving his team the perfect start with a penalty, putting them 2-1 ahead and popping up at the death, cool as you like, to whip home a free kick and complete a magnificent hat-trick.
His three goals against Spain made him the oldest man to score a hat-trick in the World Cup Finals and only the fourth to net in four consecutive global showpiece tournaments.
Portugal is competing in Group B along with Spain, Morocco and Iran, with Morocco having lost 1-0 against Iran on Friday.
Portugal face Morocco, who lost 1-0 to Iran in their opening game.