I won a game on a safety in OT, and I don't think the game quite knew how to handle it:
http://mfn1.myfootballnow.com/watch/52#9252
It gave me two points, but it didn't say anything in the game log (maybe because it was a safety, maybe because it was the end of the game, or both).
Kind of a crazy way to end it either way :)