Backup the files you are about to edit. Now find the constant.ini file in the jpogdata folder. Open this file using Notepad or a similar text editor and change the following lines as required. (Default values are listed)

GAMEMONTHS_TO_ACTUALSECONDS = 300; GAMEWEEKS_TO_ACTUALSECONDS = 75; GAMEDAYS_TO_ACTUALSECONDS = 10; MaxDinoPopulation = 60; ParkStartPlayerMoney = 60000; ParkMaxEntryFee = 5000; ParkMaxPopulationCap = 100;