As manyJurassic Parkfans enjoy building the world-famous parks from the ground up and more withJurassic World Evolution 2, they may be planning ahead on what venture to invest in next. As players manage the parks, they need to keep track of their money carefully to ensure they can affordtheir next Research Nodeto get one step closer to their dream park. For many players, that involves unlocking Mosasaurus, the biggest marine reptile in the game.
Mosasaurus appeared inJurassic Worldin an iconic feeding show scene and grand finale many fans never forgot. When it came toJurassic World Evolution 2’sreveal, many fans clamored for Mosasaurus to get added after its absence in the first title. Now that those fans have gotten their wish, this guide can help them unlock Mosasaurus in the quickest way possible.

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How to Unlock the Lagoon in JWE2
It may seem daunting, but the quickest way to get Mosasaurus in thisnewJurassic Parkgameis to play Challenge mode, as one of the first things players unlock is the Science Center. Unlike Chaos Theory mode, Challenge mode offers marine and flying reptiles from the start, as long as certain requirements are met first. The requirements are fairly straightforward, as players only need to raise their parks' rating to two stars (2.0 Stars.)
How to Unlock Mosasaurus in Jurassic World Evolution 2
Players looking to reliveJurassic World Evolution 2trailerswith Mosasaurus will need to take a bit more time to unlock it, but it isn’t overly complicated. Once the requirement for the lagoon is met, fans have also unlocked the first node for the marine reptiles as well, which helps them on their journey to getting the biggest of them all. There are nodes to get through to unlock the final prize, but those are also fairly simple. The requirements to get to Mosasaurus are listed below.
Ichthyosaurus fossils, Plesiosaurus fossils

Liopleurodon fossils
Marine Reptiles 2B
Clear Marine Reptiles 1, and increase the park’s total Marine Reptile population to 3
Tylosaurus fossils
Eleasmosaurus fossils
Clear Marine Reptiles 2A
Mosasaurus fossils
It’s rather straightforward in Challenge mode, and seems to be the quickest way to upgrade these nodes without having extra steps such as hidden unlock missions for the nodes themselves. Mosasaurus is definitely such a rare find that 2 Star parks are sure to have their rating climb with the way the marine reptile will definitelyraise the appeal stat inJurassic World Evolution 2.
Jurassic World Evolution 2is out now on PC, PS4, PS5, Xbox One, and Xbox Series X/S.
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