PCCheats
Rollercoaster Tycoon

Walkthroughs and Guides
Outside link to all the information you'll need on this game, and more!
Courtesy of: Gamefaqs.com

PASSWORD CHEATS

CHEAT PASSWORDS
Rename any of your park guests as one of the Names below to enable the Effect you require..

Name .... Effect
Chris Sawyer .... Takes Pictures of Rides
Simon Foster .... Paints Pictures of Rides
Melanie Warn .... Increase Guests Happiness
Katie Brayshaw .... Waving Guests
John Wardley .... Constantly Thinks Wow!
John Mace .... Pays Double Prices on Rides
Damon Hill .... Drives Go-Karts Twice as Fast
BigBucks .... Unlimited Cash
Bill Gates .... Unlimited money for all visitors
Tom Cruise .... Visits all attractions
Michael Schumacher .... Rides four times as fast :p
Tony Day .... Eats lots of hamburgers
Damon Hill .... Drives go-karts twice as fast
Elizabeth Mackney .... Drives go-karts superfast

MORE CHEATS
Free money: Go to the Finances by pressing "F", then press ENTER + "M" for $5,000. This can only be done once a month for unlimited amount of cash. Note: This code may not work on all versions.
All scenarios, rides and infinite money: At the Main Menu, hold SHIFT, type "rct2" and press ENTER. If done correctly, you will hear clapping. Note: This code may not work on all versions.
Hire Einstein: To extend your research by leaps and bounds, find Guest #1 and rename him "E=MC2". Then find guest #2 and rename him "E=MC3". The two will meet and begin brainstorming. Shortly thereafter they will ask to be hired on as the parkÆs research developers. Say ôyesö and pour your resources into the think tank. The following year, research and development will have grown by leaps and bounds. You will have all of the latest rides and nearly a billion dollars to spend!
Receive a One Million Dollar Gift: To get lots of money for your park, close it down for one full year! Afterwards, a man dressed in a blue suit and holding a clipboard will give you a little help: $1,000,000.
Extra Rides: At the main screen, type in HIDDENRIDES and get a few extra rides. While you are playing, press F, to get to the finance screen, hold M, and press enter to get 5,000. Note: This only works once a month. (thanks: BrandoMan)
Icrease Your Park Rating: To increase your park rating, give the name John Bibrough to any guest, and press L. You have to press F a couple of times to make the rating to go all the way up.

Submitted by: AJ, CheatBookJon and Mark Tine