Pop balloons

Double click on a loose or held balloon to pop it.
Play with birds

Right click over a bird that is in the air to make it chirp. If it is flying in formation, it will cause the "V" to be re-formed.
Guests will ride anything

Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "options.txt" file in the "c:\documents and settings\\application data\atari\rct3 " folder. Note: this folder is "hidden" by default, so you will have to enable Windows to view hidden files and folders. Add the following lines to that file. Note: You may have to restart a scenario for the changes to take effect.

GuestsHaveFixedHealth 1
GuestsIgnoreRideIntensity 1
GuestsIgnoreRideNausea 1
GuestsIgnoreRideCost 1
GuestsRevisitRides 1
GuestsRideUnratedRides 1

Your guests will ride anything (uber-extreme nausea, intensity) with no problem and keep coming back for more.
No sick guests or too expensive rides

Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "options.txt" file in the "c:\documents and settings\\application data\atari\rct3 " folder. Note: this folder is "hidden" by default, so you will have to enable Windows to view hidden files and folders. Add the following lines to that file. Note: You may have to restart a scenario for the changes to take effect.

GuestsHaveFixedHealth 0
GuestsIgnoreRideIntensity 1
GuestsIgnoreRideNausea 1
GuestsIgnoreRideCost 0
GuestsRevisitRides 1
GuestsRideUnratedRides 1

Coaster go through mountains

Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "options.txt" file in the "c:\documents and settings\\application data\atari\rct3 " folder. Note: this folder is "hidden" by default, so you will have to enable Windows to view hidden files and folders. Add the following line to that file. Note: You may have to restart a scenario for the changes to take effect.

AttractionSceneryAllowTerrainIntersect 1

Cheat Codes

Rename a guest to one of the following names to activate the corresponding cheat function:
Result Name
Increase money by $10,000 [Note] John D Rockefeller
Increase park value; on first career mission will
double the value rating of your park [Note] Andrew Gillett
All rides irresistible to peeps Jon Roach
All coasters irresistible to peeps Sam Denney
All rides and coasters to never break down Frontier
All guests get sick Make Me Sick
All guests ride every coaster before leaving Sam Denney
All peeps laugh Atari
Peep jumps for joy Chris Sawyer
Peeps dance Shifty
Get the buggy to actually ride through the park James Hunt
Removes height restrictions for building coasters John Wardley
Infinite launch and chain lift speeds [Note] David Braben
Decrease track friction; can help when importing
some RCT 1 or 2 coasters [Note] Andrew Thomas
New guests not allowed to enter, current guests
may leave if desired [Note] Ghost Town
Guests stand around looking down at the ground [Note] Mouse
"Flying Camera" routes editor [Note] D Lean
Peep cam; see through eyes of guest Jonny Watts
Unlock advanced fireworks editor Guido Fawkes
Everyone moves fast for 20 seconds, but game
speed is normal ATITech
Big explosion Atomic
Peeps take photos [Note] PhotoStory
Lots of ducks appear [Note] A Hitchcock
Display frame rate [Note] FPS

Note: Requires the update 1 patch for the game.

Read more: http://www.cheatcc.com/pc/rollerct3.html#.TgUhGke0Nnx#ixzz1QEwyJjL1
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