This is how the arrived in Jurrasic World in Ryan's Quest: Chain of Memories.
[They arrived in Jurrasic World and they saw Owen looking at the Dinosaur]
Ryan: What are you doing?
Owen: Oh, I was just looking at the Dinosaur, reminds me for my girls I know.
Ryan: You want to see them again?
Owen: Well, I want those Dinosaur to come back to me, and I want them to be here.
Evil Ryan: So you want them back?
Owen: Yeah. But there is some trouble around the Jurrasic World. There some strange Creatures that I don't know about, and they are attacking the Dinosaur.
Ryan: We can help you.
Owen: Thanks, I could use some hands. Come on
They went and they went to see Claire
Owen: Hey. Claire.
Claire: Owen. What are you doing here?
Owen: To find out about those Creature that attack the Park and look for the Dinosaurs.
Claire: Well. The power has cut out thanks to those creature. We need to find a way to stop them.
Owen: Is there anyway we can save the park?
Claire: Well, we have to find out and power it up the whole Park. And we to save the Dinosaurs.
Owen: Okay, I'll see what we can do.
They went off and they power up the whole Electricity
Claire: Great. Everything is back. Now, we have to find out what's going on.
Ryan: Then let's go.
Owen: We can't, those Dinosaur knows where we are. So we have to be careful.
Ryan: Alright, let's sneak past by them.
They went off and they saw a Giant Heartless
Ryan: Looks like it's the reason the Park got shut down.
They are fighting it and they defeated it Owen: Well, the Park is restored and all the Dinosaurs is safe now. Ryan: Yeah, Cool. Owen: Still we have alot of work to do for the park. Ryan: I know, but it's time for us to leave. Owen: Right no? Well, okay. And I hope you remember me and the Dinosaurs. Ryan: We will. Bye. They left Jurrasic World