As an American, I can tell you some Super Bowl secrets
If a team "goes for it" on fourth down and succeeds, the coach's Special Bar recharges all the way and he can unleash his Ultimate Combo
There is a secret "fifth down" that can only be unlocked by a player wielding a piece of the True Cross
And then it's time for the kick off! Touch your battlefoot to the Pain Ellipsoid and let the cycle of violence begin anew!
This might be questionable content, however.