WWE SmackDown vs. Raw 2007

On the main menu of the game select the "cheats" option then hold down L2 and R2 then press: Triangle, Triangle, Square, Square 

The Hardcore Championship Belt: 
Win the Superstar Challenge Trophy 

Unlock Smoking Skull Championship: 
Unlock it by winning the Royal Rumble Trophy then buy it for $ 5.000 in the WWE Shop 

Unlock n.W.o. Championship: 
Unlock it by winning the SummerSlam Trophy then buy it for $ 3.500 in the WWE Shop. 

Unlock Divas Loading Screen: 
You will be able to purchase the Divas Loading Screens by Winning the No Mercy Trophy. 

Unlockable Arenas: 
Below a list of hidden unlockable arenas: 

Unlockable: How to Unlock: 
Backlash Arena - Win the Backlash Trophy in Season Mode 
No Mercy Arena - Win the No Mercy Trophy in Season Mode 
Saturday Night Main Event Arena - Win the Superstar Challenge Trophy 
SummerSlam Arena - Win the SummerSlam Trophy in Season Mode 
Unforgiven Arena - Win the Unforgiven Trophy in Season Mode 
Vengeance Arena - Win the Vengeance Trophy in Season Mode 
WrestleMania 22 Arena - Win the WrestleMania Trophy in Season Mode 

Unlock JBL Suit: 
Purchase in the WWE Shop for $ 5.000 

Unlock Masked Kane Suit: 
Purchase in the WWE Shop for $ 4.000 

Unlock Triple H Suit: 
Purchase in the WWE Shop for $ 4.000 

Unlockable WWE Legends: 
Win the following trophies to make the legends buyable in the shop. 

Unlockable: How to Unlock: 
Bam Bam Bigelow - Win the Unforgiven Trophy 
Bret Hart - Win the Survivor Series Trophy 
Cactus Jack - Win the SummerSlam Trophy 
Dude Love - Win the SummerSlam Trophy 
Hulk Hogan - Win the WrestleMania Trophy 
Jerry "the King" Lawler - Win the No Way Out Trophy 
Mankind - Win the SummerSlam Trophy 
Mr. Perfect - Win the Backlash Trophy 
Shane McMahon - Win the Armageddon Trophy 
Stone Cold Steve Austin - Win the the Royal Rumble Trophy 
Tazz - Win the No Way Out Trophy 
The Anvil Jim Neidhart - Win the Survivor Series Trophy 
The Rock - Win the WrestleMania Trophy 

Championships: 
Unlockable Championships in WWE SmackDown! vs. RAW 2007. 

Unlockable: How to Unlock: 
Backlash Arena - Beat Backlash Trophy in Season Mode 
ECW One Night Stand II Arena - Beat the Money In The Bank Trophy 
No Mercy Arena - Beat the No Mercy Trophy in Season Mode 
Saturday Night Main Event Arena - Beat the Superstar Challenge Trophy 
SummerSlam Arena - Beat the SummerSlam Trophy in Season Mode 
Unforgiven Arena - Beat the Unforgiven Trophy in Season Mode 
Vengeance Arena - Beat the Vengeance Trophy in Season Mode 
WrestleMania 22 Arena  - Beat the WrestleMania Trophy in Season Mode 

DX Animation Entrance: 
The Entrance Motion of DX will become available after unlocking the Summerslam Trophy (Tag & Trio)