Hi all,
Do you have any good examples to upload
the Unity3D game on Facebook?
Mr Nik’s Crazy Kart
http://www.facebook.com/apps/application.php?id=98852182172
Paradise Paintball (Greatly improved over the last few months)
http://www.facebook.com/apps/application.php?id=24509077139
Paradise Paintball is a hoot. 
And the guys that made Paintball Paradise will be speaking about their Facebook integration at Unite 2009 later this month! </sales pitch>
you can check this
http://apps.facebook.com/tankonfire/
the thread about this(with some info regarding problems and solutions)
http://forum.unity3d.com/viewtopic.php?t=40144