SimPark

Game Revolution: Sim Park
Offers cheat codes.
http://www.gamerevolution.com/oldsite/games/codes/pc/simpark.htm

GameSpot: SimPark Review
Rated 6.5/10 by Rebecca B. Anderson. "In the Maxis tradition of creating totally immersive sim games, being a park ranger is more than greeting park visitors - it's work, but it's also fun." [Subscription required.] Free reader reviews, codes, and 5 screenshots.
http://gamespot.com/pc/strategy/simpark/review.html