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Cheats for Jurassic Park Operation Genesis for Xbox
By Unknown

Here are all the known cheat codes for Jurassic Park Operation Genesis for Xbox

Thanks to butterfree808:
	During the game move the thumbstick as follows - Down, Up + Left Trigger (at the same time). You will receive a "cheat activated" screen when done correctly.	10,000 cash
	During the game hit L, L, L, left, left, left.	Psycho dinos
	Defeat every mission in the game to unlock site B at the main menu.	Unlock Site B
	While playing press up, down up, down	5 more dinos
	Down, Down, Down, Left, Right, L, Down, Up	All Research
	While playing a game, hold L + R and repeatedly tap Up. Dinosaurs will no longer get sick. In the PAL version of the game, press Up(2), R, L, Up(2) while playing game.	Guaranteed Immunity
	While playing game, press L + Up, L + Down. $10,000 will be added to your finances.	Gimme Some Money
	While playing game, press L + R, Down. Your finances will be reduced to zero. Alternately, press L, R, L, R, Down(2) while playing game.	Where's The Money?
	While playing game, press L + R + Down. The market will now be instantly restocked with fossils. Alternately, press Down, L, R, Down while playing game.	Market Day
	While playing a game, hold L + R and repeatedly tap Up, Down, Up, Down. One of your safari cars will blow up. Alternately, press R, L, Up, Down, Up, Down while playing game.	Crash!
	While playing a game, hold R and press Right, Left, Right, Left, Right. All tourists will die. Alternately, press Left, Right, Left, Right, R while playing game.	Oh No!
	While playing a game, hold L + R and press Left, Right. Release L + R, then press L + R again during game play. Alternately, press Left, Right, L, R while playing game.	No Twisters
	Successfully complete all missions to unlock the Site B option at the main menu.	Site B
	If you want more people to visit your park, build four or five entrances on all different sides.	More visitors
	Never build a Safari Adventure in your T-Rex cage. The visitors inside of the car will not live too long. Also, never put more than one T-Rex in one cage. One will be killed and the other badly injured; and the visitors around the cage will get scared to death. This costs you a lot of money, for the T-Rexes and the fines.	Avoiding visitor deaths
	Press - R + L, Left, Down, and Right[x2] to shoot from the Safari cars by using the camera.	Driveby
	Press L, R, L, Right, Down, R	Exodus
	Press L, R, Down, R, and L to kill all dino's.	Extinction Event
	Press L,R,Left,Left,Up. youll get all the dinosuars.	ALL dinosuars
	Gimme Lots of Money press : L, Right, Right, L, R, Down	Lots of Money
	R, Down, L, Up, Up, Up	Happiness Is...
	Press - R + Down and R + Down to cause a heat wave.	Hot One
	Press - R, Right[x4], and R to unlock all missions, exercises, and sites.	Impossible Mission
	Instant Alcatraz press: L, Left, Left, R, R, Right	Instant Alcatraz
	Press - R[x3], L, and Right to make the dino's look like the living dead.	Isla Muerta
	When your on Site B Press R,L,R,L,Down,Down,Down,	Male Dinosaurs
	Down, Down, Left, Right, L, L, Up, Up	Minimum Security
	Press R, Up, R, Right, L, and Down to set all excavated dinosaur DNA to 100%	Mr. DNA
	Press - L, R, Left, and Down[x4]	No Red Tape
	Up, R, Down, L, Left, Left	Ooops....
	Left, Down, Right, Up, L + R, and L + R to freely select three dig sites without any stars.	Open To The Public
	L, Left, Up, Left, Up, Left, L	Pax Jurassicus
	Down, Up, Down, Left, R, R, R	Plague Outbreak
	L, L, L, left, left, left	Psycho dinos
	L[x3] and Left[x3] to stress out all Carnivores.	Ramage Time
	Right, Right, R, R, L, Down	Rocky Road
	Right, L, Up, L, L, Down	Seal of Approval
	R, Up, L, Down	Sequencing Error
	R, R, Left, Right, Up, Right	Storm Free
	L, R, Down, Down, L, Right	Three Stars
	Press R[x2], L, R, Down, Up, and Down to cause stormy weather.	Welcome To Melbourne
	R, L, R, Down, Up, Down	Welcome to Sydney