By using the following cheats on your game, you do so at your own risk. Jurassica.net can't be held responsible, for rampages, visitor fatalities or T-Rexes on PMT.

Cheat	Effect
[ right right [ ] down	Even More Money
[ ] down	More fossils
[ ] down,down [ right	Adds three stars to your park rating
] up, ] right [ down	All DNA set to 100%
down x 3, left, right, [, down , up	All research
], right x 4, ]	All missions, exercises and Site B opened
[,], Left, Down, Down, Down, Down	No penalties for visitor deaths
], down, [, up, up, up	Makes visitors happy on the visitor summary
[, left, left, [, [, right	Upgrades all fences to high security at no cost
up, ], down, [, left, left	Destroys all fences
Down, ], Up, [, Down	Gives every dinosaur 55% dna completion in the fossil hunting sites that you have unlocked. *NOTE* this makes EVERY one of the dinos you can get 55%
], ], [, ], down, up, down	Stormy Weather
] + Down, ] + Down	A heat wave will occur
], ], ], [, Right	Dinosaurs will now appear to be the living dead
] + [, Left, Down, Right, Right	You can now shoot from the safari cars by using the camera
Hold ] and press Right, Left, Right, Left, Right	All tourists will die
[, ], [, Right, Down, ]	This will set all excavated dinosaur DNA to 0%
Hold [ + ] and repeatedly tap Up, Down, Up, Down	One of your safari cars will blow up
[, Left, Up, Left, Up, Left, [	Rampages will no longer occur
Down, Up, Down, Left, ], ], ]	Your dinosaurs will become diseased
Hold [ + ] and repeatedly tap Up	Dinosaurs will no longer get sick
Right, [, Up, [, [, Down	Your park rating will increase by one star
Left, Down, Right, Up, [ + ], [ + ]	You can now select your three digsites without the required stars
[ + ] + Down	The market will now be instantly restocked with fossils
[ + ], Down	Your finances will be reduced to zero

Game Cheats and Hints. ⇒ Unlock Site B
To unlock Site B just beat all the missions.

⇒ Mods
For ways to modify the game(PC only) click Here