A new petitioner offers $250,000 donation
Press [Command] + [Option] + [Shift] + C during game. Then type "call cousin vinnie" in the console window.

Receive a SimCastle to place in your city
Enable "A new petitioner offers $250,000 donation" cheat and refuse Cousin Vinnie's offer. Then press [Command] + [Option] + [Shift] + C and type "zyxwvu" in the console window.

Change fresh water into salt water
Press [Command] + [Option] + [Shift] + C during game. Then type "salt on" in the console window.

Change salt water to into fresh water
Press [Command] + [Option] + [Shift] + C during game. Then type "salt off" in the console window.

UFOs terrorize city
Press [Command] + [Option] + [Shift] + C during game. Then type "UFO Swarm" in the console window. (Note: To enable cheat, set "Disaster" to "UFO".)

Birds fly around city
Press [Command] + [Option] + [Shift] + C during game. Then type "the birds" in the console window.

Make city terrain rise one tile
Press [Command] + [Option] + [Shift] + C during game. Then type "terrain one up" in the console window.

Make city terrain rise ten tiles
Press [Command] + [Option] + [Shift] + C during game. Then type "terrain ten up" in the console window.

Make city terrain fall one tile
Press [Command] + [Option] + [Shift] + C during game. Then type "terrain one down" in the console window.

Make city terrain fall ten tiles
Press [Command] + [Option] + [Shift] + C during game. Then type "terrain ten down" in the console window.

All garbage buildings are available
Press [Command] + [Option] + [Shift] + C during game. Then type "garbage in, garbage out" at the console window.

All ordinances are available
Press [Command] + [Option] + [Shift] + C during game. Then type "i love red tape" in the console window.

Make a deal with a neighbor
Press [Command] + [Option] + [Shift] + C during game. Then type "lets make a deal" in the console window.

All power plants are available
Press [Command] + [Option] + [Shift] + C during game. Then type "power to the masses" in the console window.