Cheat Codes 

While in the simulator, press [Ctrl] + [Alt] + [Shift] + C to display a prompt box with a flashing cursor in the top left corner of the screen. Then, type one of the following codes and press [Enter] to activate the corresponding cheat function:

RESULT 
 CHEAT CODE 
 
All extra gifts
 pay tribute to your king
 
All power plants
 power to the masses
 
All water plants
 water in the desert
 
High tech industries
 nerdz rool
 
Stops advice
 stop forcing advice
 
Traffic lights reduce pollution, traffic, and increase 
land value
 traffic lights
 
Recycling plant, waste to energy incinerator and normal 
incinerator
 garbage in, garbage out
 
Construction costs set to $0
 i am weak
 
SimCastle construction, if Vinnie's offer was declined
 zyxwvu
 
$100,000 donation offer from Vinnie
 call cousin vinnie
 
Flock of birds fly over your city
 the birds
 
Set "Disaster" to "UFO" for unlimited UFOs
 ufo swarm
 
Change the sea to salt water
 salt on
 
Change the sea to fresh water
 salt off
 
Raises the terrain by one
 terrain one up
 
Lowers the terrain by one
 terrain one down
 
Raises the terrain by ten
 terrain ten up
 
Lowers the terrain by ten
 terrain ten down
 
Load grayscale picture as terrain
 load terrain
 
"Sorry, Money Doesn't Grow On Broccoli" message
 broccoli
 
"Aha! We Have A Real Pro Here! Try BROCCOLI" message
 porntipsguzzardo
 
"Da Da Da Da Da Da Da Da Da BAT-man!" message
 bat
 
"If You Build It, They Will Come" message
 scurk
 
"The Llama Is A Quadruped" message
 llama
 
"Duo Ragazzi's Easter Egg Palace: Old World Charm In A Post
Modern Setting" message
 easter egg
 
"If You Lived Here, You'd Be A Sim" message
 sim
 
"Dozens Of Hidden News Ticker Reveals; Sims Encouraged To
Collect Them All And Amaze Friends" message
 help
 
"What Will He Think Of Next?" message
 will wright
 
"Investment Tip: Buy Low, Sell High" message
 erts
 
"Not Just Sports Games Anymore" message
 electronic arts
 
" Picayune: The Finest In Scrolling Entertainment"
message
 ticker
 
"Money Does NOT Grow On Trees, Study Concludes" message
 money
 
"Keep Trying And Maybe You'll Figure It Out" message
 simcity
 
"Greetings Mayor, Your Sims Salute You" message
 hello
 
"Mayor  brings  To News Ticker
Highlight" message
 mayor
 
"Mayor Suspected Of Attempting Embezzlement; Ends In Failure"
message
 sc3k
 
"Secret Number Combination Causes Announcement In News
Ticker" message
 1234
 
"Did you know that MAXIS spelled backwards is SIX AM?"
message
 maxis
 
"MOREMONEY Not Cheat Code, Research Concludes" message
 moremoney
 
"Mayor Under Investigation For Possible Embezzlement" message
 advisor
 
"FUND Not A Cheat Code, Do Not Type MOREMONEY, It Is
Not A Cheat Code Either" message
 fund
 
"Unknown" message
 simon says
 
Description of City Hall set to "Miles and Miles of Red Tape";
date set to the year 1900
 i love red tape
 
Mortimer will say the indicated phrase
 force mortimer to say [phrase]
 
Moe will say the indicated phrase
 force moe to say [phrase]
 
Constance will say the indicated phrase
 force constance to say [phrase]
 
Marla will say the indicated phrase
 force maria to say [phrase]
 
Randall will say the indicated phrase
 force randall to say [phrase]
 
Gus will say the indicated phrase
 force gus to say [phrase]
 
Karen will say the indicated phrase
 force karen to say [phrase]
 
The petitioners will say the indicated phrase
 force petitioners to say
 
If you have connections to your neighbors, they will start trying
to make deals
 let's make a deal