Successfully complete the indicated task in Road To WrestleMania mode to unlock 
the corresponding area:

Dirt Sheet: Play as Brand Warfare, and win the handicap match with either 
Triple H or John Cena in Week 11. 
Interview Room: Play as Shawn Michaels, and successfully complete Road To 
WrestleMania mode. 
Locker Room: Play as Edge, and drag Mr. Kennedy on top of the Big Show and 
count the pinfall at No Way Out. 
Vince's Office: Play as a created Superstar, and win your match in Week 6.