Plus there is a score based mode with online leaderboards for when the campaign has been completed. (andymerrill.com)
Location based gameplay has introduced a new competitive element to the game by allowing players to compete on leaderboards based on other gamers near them. (nikopartners.com)
They're grouped together on purpose and by circumstance, with both shooting to the top of leaderboards regularly on the weekend last season. (sbnation.com)