A leaderboard system is a way to track and display the top performers or winners in a competition or a game. It shows who is doing the best and ranks them based on their scores or achievements. Full definition
Dead Nation also has an excellent leaderboard system in place. (thevitalounge.net)
There is a score with leaderboard system within the game and you obviously get a ton of bonus points for keeping up combat combos and the like but you get quite a decent amount of points deducted for every death in the level. (jgghgames.com)
An online leaderboard system also tracks various stats such as your fastest game completion time or highest combo. (playstationlifestyle.net)