Unlock the following arenas by performing the corresponding tasks:

ARENA - HOW TO UNLOCK
Bragging Rights arena - Win a PPV match.
Clash of Champions arena - View Hero Story Clash of Champions scene.
Extreme Rules arena - Win a PPV match.
Fatal 4-Way arena - Win a PPV match.
Hell in a Cell arena - Win a PPV match.
Money in the Bank arena - Win a PPV match.
Night of Champions arena - Win a PPV match.
Nitro arena - Hero Story cutscene 21-1 after the Monday Night Nitro match.
NXT arena - Hero Story scene SummerSlam (Again I understand this is contradictory to what was previously written. Just typing as it appears in the guide.).
NXT arena - Win Survivor Series in the Hero Storyline (the first PPV).
Over the Limit arena - Win a PPV match.
Starrcade arena - Hero Story cutscene Steel Cage Match 2.
Survivor Series arena - Win a PPV match.
TLC arena - Win a PPV match.
Tribute to the Troops arena - Complete your first year in WWE Universe mode.