Hello Moddb community!

Our first tech demo powered by the CryEngine 3 is finally released!
As the player you have to survive a tropical island with deadly Velociraptors lurking around the corner!
We hope you will enjoy these first steps as we embark on a journey taking us millions of years into the past!

Please note that the current tech demo is only a proof of concept showing basic AI behavior like stalking, resting and basic approaches to pack behavior.
We are currently concentrating our efforts on creating the complex ecosystem that existed in North America 65,5 million years ago step by step and constantly expand the world and the animals that lived during that time.
However the tech demo is by no means a representation of that and the environment aswell as the dinosaur design, animation and AI are only made for test purposes and will be replaced at some point in the future.

The core idea behind this game is to create a free-roaming open-world game experience where you as either a human or even a dinosaur can explore the different prehistoric environments and locations with their vast variety of inhabitants - most notably the dinosaurs - living in a realistic and life-like ecosystem.
The game play will mainly be driven by survival and puzzle solving but in addition to that will also feature for example mission-based, story-driven and dinosaur-based gameplay modes that we will attend in the future.
Furthermore some of the game modes will feature entirely original dinosaurs, characters and stories currently known under the codename CRYNOSAURS or most of the iconic dinosaurs and structures from the JURASSIC PARK franchise.

Thanks for your interest and your support!

New Raptor AI Video
First Ingame Screenshots of JP Dinosaurs
Tech Demo Map Screenshots
(Not) alone in the dark ... Download it now!

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5 comments by RtJP_Mod on Jan 1st, 2013


While we've been mostly concentrating on Crynosaurs for the last year, we also collaborated with Colin on Jurassic Park Aftermath and finally brought our JP Raptor to life - check out the trailer below:

And dont forget to follow us on facebook and youtube for the latest updates:


Happy new year!
The time has finally come to give you guys something to play.
We've all agreed our progress is far enough along to share it with everyone.
We hope you enjoy it. :)
Remember folks, this is just the first step of many more toward our goal. It is far from perfection.
Some of you will encounter some interesting bugs, most of which we are painfully aware of and working on.
Despite the issues, we feel it is still an enjoyable experience and thought it better to give everyone something to play now as we continue development.

This first dinosaur was a learning experience in many ways for all of us involved.
As they say, the first step is always the hardest. Going forward we now hope to apply what we've learned to further refine and expand the ecosystem.
Also keep in mind, this tech demo is just a proof of concept and isn't really specific to either a Crynosaurs or RTJP game.

We're very thankful to all those who have or are still contributing their time and effort to help realize this game.
Special thanks to NTass94 who spent his whole summer holidays to get the beautiful map for the tech demo done in time.
A lot of people outside the core team contributed their time to make this demo possible.
A special thanks to all of those who supported the project by giving us constructive feedback and spreading the word.
Also, a big thanks to the entire crydev community, especially to users seithcg, beast and all of the Crytek staff!
We are truly grateful for your support.

We're still as motivated as ever and will continue to keep you updated on our progress.
We look forward to hearing your feedback on the tech demo so we can use it to make the next release that much better.
We still have a long, long way to go but if we keep at it, we're confident we can eventually get there.

We're currently expanding the team, if anyone is interested in contributing their time to the project in any way please let us know.
There are always things that need done, big and small.

Oh, I almost forgot...stay out of jungle at night. ;)

Take care and enjoy!

For more information please visit: Crynosaurs.com

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Crynosaurs / RTJP Tech Demo 1.0

Crynosaurs / RTJP Tech Demo 1.0

Jan 1, 2013 Demo 44 comments

Please read the full description below. Our first tech demo powered by the CryEngine 3 is finally released! As the player you have to survive a tropical...

Post comment Comments  (0 - 10 of 486)
Guest Mar 13 2015, 12:49am says:

This comment is currently awaiting admin approval, join now to view.

-Waker-Faker- Feb 25 2015, 12:03pm says:

The Mod is just Genius
I wish much your Mod Team Strength to continue the Work on this Mod Really !
ps:sorry for my bad grammar and english.

+1 vote     reply to comment
The_Idiot Jan 1 2015, 10:40pm says:

Hey, RTJP team!
I, along with a small team of modders from the TresCom community, am currently working on a mod for the 1998 PC game, Trespasser, and its name is also "Return to Jurassic Park". At the time that I titled my mod in late 2012, I was fully unaware of this mod and did not believe the title to be used for anything other than the comic series of the same name. Now, to distinguish my project from yours, I have added the subtitle "A Trespasser Mod" to most instances of my mod's title. It will not be related in any way to your mod, and I will not be attempting to steal your ideas, visuals, resources or anything of that matter at any time. If you guys would like me to modify the title to prevent confusion over the two, I would apologize immediately and alter the name so as to ensure that the two projects are visibly separate. Preferably, however, I would like to retain the title and keep the subtitle ("Return to Jurassic Park: A Trespasser Mod). I will give your team the final say in the project since I your project came first.

Please respond to this message as quickly as possible, and thank you in advance! Your mod looks excellent, by the way - can't wait to give it a go when it is released.

The ModDB page is located here:

Most of our posting is done here, at the TresCom forum:

+2 votes     reply to comment
RtJP_Mod Creator
RtJP_Mod Jan 2 2015, 12:16pm replied:


No worries - we dont mind if you keep the name with the subtitle included.
And thanks, we wish you good luck with your mod!

+1 vote   reply to comment
The_Idiot Jan 2 2015, 1:27pm replied:

Thank you very much! All the same to you.

+1 vote     reply to comment
BESTROFLMAN Aug 13 2014, 5:47pm says:

Alright, I have a few questions, please, if you don't feel like answering these questions then please don't answer them.

Is Single-Player Survival still planned for Crynosaurs?
Is crafting planned?
How well is the optimization for low-end PC's?
And, finally, how large will the map be?

+1 vote     reply to comment
RtJP_Mod Creator
RtJP_Mod Aug 30 2014, 5:44am replied:

Yes, the free-roaming survival gameplay is still our highest priority which also includes crafting.
And we try to make it accesible to as many users as possible while still retaining a high quality standard.
And the size of the map will grow as long as we want it to.

+1 vote   reply to comment
BESTROFLMAN Aug 30 2014, 11:17am replied:

Alright, that ends my concern. Thanks for replying.

+1 vote     reply to comment
Guest Jul 23 2014, 5:13pm says:

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RtJP_Mod Creator
RtJP_Mod Aug 30 2014, 5:41am replied:

The JP version will feature the good old featherless, giant reptile - we are currently working on a new version of our T-Rex.
Crynosaurs will feature dinosaurs from the Morrison Formation which means there will be dinosaurs from the actual Jurassic period like Allosaurus or Diplodocus, but no T-Rex anymore.

+1 vote   reply to comment
P.funk Oct 3 2014, 12:26am replied:

Is this in reference to JP Aftermath or is the T. rex for a JP game that you alone are developing?

+1 vote     reply to comment
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Project Crynosaurs | Return to Jurassic Park
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