Complete the following secret achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Mature Newbie ( 10 points )	Create a player or Superstar at the oldest possible age.
Safety Inspection Required ( 10 points )	Create a team from Springfield.
Well played. Really. ( 5 points )	Throw the ball away on 4th down. 5 min qtrs, All Pro (no co-op).