A lot of gold tickets:
     While  playing,  press  the  combination  [Up, Down, Left, Right,
Circle,  Right, Left, Down, Up, Circle] 4 times, then press Start. You
will hear a sound if you entered the code correctly.

Never lose money cheat:
     On  the  map screen press [Left, Down, Circle, X] 8 times and you
will here a signal.

Money trick:
     When  your  money  is getting a bit low, just save the game, then
re-load  it. You will find that everyone of your visitors has left the
park  and  within  the  space of about 5 minutes, at least 50 visitors
come back and PAY to get in.

Puzzle mony trick:
     Get  your scientists to research the giant puzzle sideshow, build
one  and  then  when  somebody  starts  to  play it raise the price to
$10,000  and  then  at  the  end  of that persons go they will pay the
$10,000. Its quick and easy and gets you 10k quick.

All research:
     Go  to  the  map screen and press [ Up, Down, Up, Down, Left, Up,
Down, Up, Down, Right] 8 times in a row.

All research:
     Go  to  the  map screen and press [ Up, Down, Up, Down, Left, Up,
Down, Up, Down, Right] 8 times in a row.

Fun with kids:
     To  kill  the  kids in your park build a rollercoaster and make a
hill  by  raising  the track DO NOT! raise all off it now put lot's of
curves  in and some cork screws and more hills not bunched up then put
lakes  all  around the rollacoaster and you'll see kids fly in the air
and  their  parents  will  come and belt up some of your entertianers.
It's real funny.