What's offside? And all your other World Cup questions, answered (opens original article in a new tab)

The article explains basic World Cup rules like offside, stoppage time, free kicks, and tiebreakers, along with new measures such as hydration breaks and the 5-second throw-in rule.

• Offside rule: A player is offside if closer to the opponent's goal line than the ball and second-to-last defender when the ball is passed.
• Stoppage time adds delays from injuries, penalties, etc., to the end of each half, with hydration breaks adding extra time.
• Tiebreakers for group stage points: Head-to-head results, then goal difference among tied teams, then goals scored in those games.