LEADERBOARD IN GAMIFICATION:
Let your users compete against each other in leaderboards for each of the modules active in your module package. Drive conscious grinding of the system. The purpose of leaderboards is to highlight players where they rank in the system. In many contexts the presence of a leaderboard can elicit the desire to play. The simple rank serves as a powerful motivator to continue.
When it comes to effective gamification tools, nothing beats the leaderboard. Design them in such way that they encourage the users to stay in the game. Show player how the player scores even if smack in the middle of the standings.
TECHNICAL DESCRIPTION:
Shows the user the top 10 users, and the users own score, in a set of different categories in order to encourage competition.