Jurassic Park: Operation Genesis Cheats & Tips

All Research press: Down, Down, Down, Left, Right, L, Down, Up

Guaranteed Immunity
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.

Gimme Some Money
While playing game, press L + Up, L + Down. $10,000 will be added to your finances.

Where's The 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.

Market Day
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.

Crash!
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.

Oh No!
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.

No Twisters
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.

Site B
Successfully complete all missions to unlock the Site B option at the main menu.

More visitors
If you want more people to visit your park, build four or five entrances on all different sides.

Avoiding visitor deaths
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.

Press - R + L, Left, Down, and Right[x2] to shoot from the Safari cars by using the camera.

Exodus: Press L, R, L, Right, Down, R

Press L, R, Down, R, and L to kill all dino's.

Gimme Lots of Money press : L, Right, Right, L, R, Down

Happiness Is... press: R, Down, L, Up, Up, Up

Press - R + Down and R + Down to cause a heat wave.

Press - R, Right[x4], and R to unlock all missions, exercises, and sites.

Instant Alcatraz press: L, Left, Left, R, R, Right

Press - R[x3], L, and Right to make the dino's look like the living dead.

Minimum Security press: Down, Down, Left, Right, L, L, Up, Up

Press R, Up, R, Right, L, and Down to set all excavated dinosaur DNA to 100%

Press - L, R, Left, and Down[x4]

Ooops... press: Up, R, Down, L, Left, Left

Press - Left, Down, Right, Up, L + R, and L + R to freely select three dig sites without any stars.

Pax Jurassicus press: L, Left, Up, Left, Up, Left, L

Plague Outbreak press: Down, Up, Down, Left, R, R, R

During the game hit L, L, L, left, left, left.

Press - L[x3] and Left[x3] to stress out all Carnivores.

Rocky Road press: Right, Right, R, R, L, Down

Seal of Approval press: Right, L, Up, L, L, Down

Sequencing Error press: R, Up, L, Down

Storm Free press: R, R, Left, Right, Up, Right

Three Stars press: L, R, Down, Down, L, Right

Press R[x2], L, R, Down, Up, and Down to cause stormy weather.

Welcome to Sydney press: R, L, R, Down, Up, Down

Use the cheat r, r, r, L to unlock site B then on site B create a t-rex and do the extinction cheat to kill it off (or do it the long way and have it starve to death which takes a Jurassic park year). Then lock on to it by pressing A and wait as it decays. What this does is flips the scripts so when the dinosaurs are made they look dead, and when they die they will look brand new, creating the effect of a zombie dino.