Rampage: Total Destruction cheats and cheat codes for Nintendo Wii

Cheat mode:
Go to the main menu, then press Minus + Plus to bring up the code entry 
prompt. Then, input one of the following codes to activate the indicated 
cheat effect:

Input 000000 as a code - Deactivate All Active Codes
Input 011235 as a code - Obtain all ability upgrades
Input 071767 as a code - Destroy a Building with one hit
Input 082864 as a code - Activate Demo Mode With 2 Random Monsters
Input 141421 as a code - Unlock all Monsters
Input 271828 as a code - Unlock all cities
Input 314159 as a code - View Game Version
Input 667300 as a code - Show Opening Theme
Input 667301 as a code - Show Ending Theme
Input 667302 as a code - Show Credits
Input 874098 as a code - Instant Demo Mode With 2 Random Monsters
Input 986960 as a code - Invincible to bullets, rockets, tanks etc.

If the code is accepted, you will hear a sound. The cheats will not be 
saved with your game. 

Unlock Bubba:
Unlock the other 29 monsters. 

Unlock Eyegore:
Finish the game and get the "All Challenges Met" award for all cities.

Unlock Philbert:
Finish the game and get the "Par Scores Met" award for all cities. 

Funny noises:
Press any button while game is loading.

Other hidden monsters:
The following monsters are hidden in a block in a city. Use the indicated 
monster to destroy blocks in the city until the indicated extra 
monster is unlocked. 

Wally: New York, play as Marco.
Venus: Hong Kong, play as Croc.
Shelby: San Francisco, play as Lizzie.
Rojo: Chicago, play as Kyle.
Rocky: New York, play as Cal.
Nick: Chicago, play as Harry.
Natalie: San Francisco, play as Marco.
Marco: San Francisco, play as Ralph.
Leon: Vegas, play as any starting monster.
Kyle: London, play as Kingston.
Kingston: Vegas, play as Lizzie.
Joe: New York, play as Natalie. 
Jill: Hong Kong, play as Amanda.
Jack: Vegas, play as Harry.
Icky: London, play as Ralph.
Harry: Chicago, play as Marco.
Edwin: London, play as Wally.
Croc: Hong Kong, play as Rojo.
Cal: Los Angeles, play as Kyle.
Bart: Los Angeles, play as Kingston
Amanda: Los Angeles, play as Kyle.

Destroy buildings easily:
Pick up a gasoline truck and throw it at a building. 

Auto monster unlocking:
Allow the game to begin demo mode and have it auto-play. Any monsters 
unlocked by the CPU during demo mode will remain unlocked for your game.