A Unity3d Facebook Integration with a more advance functionalities such as Friends Leaderboard, Posting to wall from inside of unity webplayer. This can be use as a skeleton for your future Social Game projects that uses viral strategy. Integrate Sending Gifts, Select and invite friends, Post to wall, Profile getter and much more.https://apps.facebook.com/sampleleaderboards/
Other Item: Unity3d Facebook Connect
If you prefer to integrate facebook in your website’s unity game, this solution is for you.