Complete tasks in Hall of Fame Mode to get these.

Unlockable	How to unlock
Vengeance Arena	Get 6 points in Hall of Fame Mode.
Great American Bash Arena	Get 10 points in Hall of Fame Mode.
Wrestlemania 23 Arena	Get 12 points in Hall of Fame Mode.
New Year's Revolution Arena	Get 9 points in Hall of Fame Mode.
No Way Out Arena	Get 5 points in Hall of Fame Mode.
December to Dismember Arena	Get 8 points in Hall of Fame Mode.
Summerslam arena	Get 11 points in Hall of Fame Mode.
ECW One Night Stand Arena	Get 7 points in Hall of Fame Mode.