Prehistoric Kingdom — patch notes and updates
Stored observation / content update:
Dated developer announcements recorded from Steam. Open the source for the complete update.
| Update | Date | Excerpt / source |
|---|---|---|
| Dev Diary: April 2026 | 2026-05-01 | Welcome to the April Development Update! This month we released the first PTB for Update 17, adding new management mechanics, updated water rendering and two species of Stegosaurus for you to discover. Though it’s yet to contain combat, we’ve had really good feedback so far! Players on Steam can switch over at anytime, so be sure to read the patch notes for all the details.Combat has continued to see a lot of development throughout April, with animals now taking damage and even dying if they take too many hits. We’ve developed custom tooling that allows us to attach “hurt boxes” to animals while attacking, meaning that any lunge, hit or bite |
| PTB: Fix Patch (1.17.51) | 2026-04-26 | Welcome, Park Testers! This PTB release is focused on quickly addressing the most commonly reported community issues - most notably input system bugs and unusable keybind controls. We hope this provides a more stable testing environment while we continue working on the remaining species for U17 and further develop animal combat. How to Access the Public Testing Branch (Experimental!)The Public Testing Branch (PTB) is a version of Prehistoric Kingdom that can be opted-into on Steam, containing experimental and potentially breaking changes. With the help of the community, we're able to hunt down various issues and gather feedback before pushing |
| PTB: Update 17 Begins Testing! | 2026-04-24 | Welcome, Park Testers!This early version of Update 17 adds Stegosaurus, rebalances mid-game progression and overhauls many of the management features. Notable changes include manual Loading Bay orders, workzones, staff breakrooms and a new staff promotion system! Please note that this release does not include combat!In addition to everyone's favorite plated lizard, players can also make use of our updated water rendering tech to create stunning rivers and lakes while actually seeing all the rocks and plants you've put beneath the waves.PTB FeaturesStegosaurusThis long-awaited prehistoric icon has finally arrived, with both Stegosaurus stenops |
| Dev Diary: March 2026 | 2026-03-31 | Welcome to the March Development Update!Today, we’ll be talking about the status of U17 and providing insight into the current progress of combat. We’ve also got a couple of surprises in store, so let’s get into it!In case you missed it, we put a support patch out for U16 on the Public Test Branch! This release aims to rebalance diseases across the board and make elderly animals much more likely to pass away. There are also new vivarium animations, amphibious support for Titanoboa and the ability to change a vivarium’s water into something more tannin-rich.In April, we will also be releasing an early version of U17 to the PTB! While it will n |
| PTB: Fix Patch (EA 1.16.51) | 2026-03-19 | Welcome, Park Managers!This surprise bug-fix patch for Update 16 aims to address some of the most commonly reported balancing problems related to the animal disease system, while resolving numerous stability issues, such as memory leaks and crashes. In addition, this update introduces new vivarium animal animations - most notably full aquatic support for Titanoboa, which can now be housed in the Amphibious Vivarium.Please enjoy the improved experience while we continue to work on Update 17, which will be introducing new animal species, animal combat, overhauled management systems, and many additional optimizations!Disease Balance PSARecommend |
| Dev Diary: February 2026 | 2026-02-28 | Welcome to the February Development Update!With this being our first full month back working on PK, the team continued implementing the new management features discussed in January’s Dev Diary. Since we don’t want to repeat ourselves and show off the same content, this month’s post will instead only focus on the new things and be a bit shorter as a result. Throughout February, we were able to squeeze in a number of bug fixes, optimizations and resolve the trippy-water that could be seen on the side of amphibious vivariums. This fix came just in time for our animators to add some new aquatic movement spots for the Titanoboa!Touching on some of |
| Dev Diary: January 2026 | 2026-01-31 | Welcome to the January Development Update!The team hopes that you’ve all had a safe and happy holiday. As this is our first blog post of the year, we’ll primarily be talking about our plans to outline what you’ll see in 2026. There’s a looot of reading to do this time folks, so strap yourselves in!First off, thank you for your warm reception to Update 16! We’re pleased to see how beloved the vivarium animals have become. They’re a fun way to fill out the roster and we have more on the way for full release. In the meantime, our animators have been working to add a few more animations to the current vivarium lineup.This includes more movement l |
| Prehistoric Kingdom - Fix Patch (EA 1.16.37) | 2025-12-28 | Hello and Happy Holidays, Park Managers!A few of the programmers got together to look at some of the more pressing problems with Update 16, resulting in this small patch. This release should hopefully resolve most of the out-standing stability issues, among others including vivarium grouping save-load and sandbox research and animal unlocks.Please continue to submit detailed bug reports on our Discord server with an upload of your player log! Why won't my snake move?!As described in previous Dev Diaries, vivarium animals have a mix of traversal points and static points that they can spawn at, switching between them when the camera moves away. |
| Prehistoric Kingdom - Hotfix (EA 1.16.36) | 2025-12-24 | Hello, Park Managers!This is a quick patch to resolve some of the more immediately reported issues with Update 16. The team will now be on break until mid-January. Please continue to submit detailed bug reports on our Discord server with an upload of your player log! Why won't my snake move?!As described in previous Dev Diaries, vivarium animals have a mix of traversal points and static points that they can spawn at, switching between them when the camera moves away.Because of how unique Titanoboa is compared to other vivarium species, it primarily uses static points (resting in place like a snake) with a chance to play the movement animation |
| Prehistoric Kingdom - Update 16 (1.16.33) | 2025-12-23 | Welcome, Park Managers to the final update of the year!This release introduces major new mechanics such as vets, disease, death, rides and a reworked vivarium system with 10 new species. If you're yet to try the game, we're currently 30% off during the Steam Winter Sale!WHAT'S COMING IN 2026?Before getting into the patch notes, we quickly wanted to talk about next year. If you haven't kept up with our monthly Dev Diaries or Trello Roadmap, 2026 will finally bring hunting, combat, breakouts and a slew of management changes to keep making the game better and better. We will also continue to improve performance across the next year.With around 1 |
| PTB: Patch (1.16.23) | 2025-12-22 | Welcome, Park Testers! This PTB release addresses some of the main reported issues regarding animal health and treatment, providing some general balancing of these systems along the way.As a QoL feature, we have added new game settings for 'Animal Disease' and 'Animal Injury' difficulty, which should change their contraction frequency. These settings are inherently tied to the game's difficulty for Challenge mode, but easily accessible in Sandbox mode through the options menu or New Game configuration.Moreover, this new patch features First Person Mode compatibility with the newly introduced Flat Rides, so go nuts! How to Access the Public Te |
| Update 16 arrives December 23! | 2025-12-21 | Update 16 is coming this month on December 23!Care for 10 new exotic species with the brand new vivarium system! Hire vets, treat diseases and offer your guests stunning vistas with the Ferris Wheel and Panoramic Tower coming in Update 16.A limited version of this release can be played on the Public Testing Branch RIGHT NOW! The team have been gathering your feedback and bug reports, so make sure to keep sending those through on our official Discord server. |
| PTB: Update 16 Begins Testing! | 2025-12-20 | Welcome, Park Testers!This early version of Update 16 includes animal health, disease and death, a completely overhauled vivarium system, new flat rides and a variety of other changes. We are expecting to launch this update on December 23rd. While the update remains a work in progress, we are looking for feedback in these areas:Challenge Mode balanceAnimal affliction balanceAnimal treatmentFinancial difficultyResearch tree experienceAs mentioned there have been a lot of changes since the last update, so be sure to read the full patch notes below to see everything that's new! PTB FeaturesDiseases, Vets & Quarantine BaysThe headlining feature f |
| Dev Diary: November 2025 | 2025-12-01 | Welcome to the November Development Update!As the team will be on their holiday break in late December, this is officially our last blog post for the year. There’s quite a lot of text to get through in this one, so let’s dig right into it.First up, the team is trying to get Update 16 into public testing as soon as possible. While the content will be restricted and unfinished, we are aiming to start the PTB during December to gauge early feedback, fix bugs and lock down a release date. Obviously December is a busy month due to the holidays, but stay tuned for more info and we’ll do our best!Funding Recap & Thank YouLooking back to the start of |
| Dev Diary: October 2025 | 2025-11-01 | Welcome to the October Development Update! We hope you’ve had a spOoOky month with plenty of park building to go around. In this post, we’ll be exploring more of the new content coming in Update 16 and meeting a particularly cute friend. As we continue to march forwards, we’ve made good progress on Update 16! Six out of the nine upcoming vivarium species have had their models fully finalized, meaning it’s time to move onto their animations and sound. You might even be able to get an early look at some of them over on the Patreon!Our original duo, the Archaeopteryx and Microraptor, have seen some adjustments, too. While both have received a ne |
| Prehistoric Kingdom - Update 15.1 (1.15.103) | 2025-10-09 | Welcome, Park Managers!This newest patch resolves a number of issues in addition to adding basic threaten/fleeing behaviors, look targets and grazing fidgets for when herbivores idle.The team has now fully moved on to developing Update 16 which you stay up to date with by checking out our development blog at the end of every month. Update 15.1 FeaturesBasic Threaten/FleeingDepending on the animal group, species will try to flee, chase off or threaten animals. Some highlights include herbivores becoming more defensive if they have a family, animals fleeing from predators, or large theropods threatening each other if they get too close. Some an |
| PTB: Update 15.1 (1.15.100) | 2025-10-02 | Welcome, Park Testers!This PTB release resolves a number of issues in addition to adding basic threaten/fleeing behaviors, look targets and grazing fidgets for when herbivores idle.Update 15.1 FeaturesBasic Threaten/FleeingDepending on the animal group, species will try to flee, chase off or threaten animals. Some highlights include looking at courtships, herbivores becoming more defensive if they have a family, animals fleeing from predators or large theropods threatening each other if they get too close.These behaviors have been brought over from the nest defense previously included in Update 15 so keep in mind that it'll be massively impro |
| Dev Diary: September 2025 | 2025-09-30 | Welcome to the September Development Update!This month’s blog post will primarily focus on providing a work-in-progress look at the upcoming Vivarium exhibits coming in Update 16. We also have news on Update 15.1, as well as an announcement that PK is currently part of the Steam Autumn sale!Make sure to grab the game for 30% off before the sale ends October 6th.In September, the team found themselves working on two updates at once - the U15 support patch and U16. This was an interesting act to juggle since a few of us had to continually jump back and forth throughout the month depending on what other team members needed.While this did lead to |
| Prehistoric Kingdom - Patch (EA 1.15.50) | 2025-09-11 | Welcome, Park Managers!This patch aims to fix various issues from Update 15 while adding a few more animations to the animals. This includes new tall feeder animations for the hadrosaurs, also allowing them to browse from short trees. We've also cleaned up their drinking and low eat animations.The team are still working on Update 15.1 so keep your eyes peeled for that in the next few weeks! Full Patch NotesAdditions AnimalsAdded more additive and idle fidget animations to GallimimusAdded tall feeder and tree-browsing support to hadrosaursAdded grazing idle animation to hadrosaursAdded courtship animation to:CamarasaurusLambeosaurusPachyrhinos |
| Dev Diary: August 2025 | 2025-08-31 | https://www.patreon.com/c/BlueMeridianWelcome to the August Development Update! In case you somehow missed it, Update 15 released just under a week ago! This monumental update added new behaviors for breeding and courtship alongside many new standout features like paleobotany, foliage browsing and new enrichment feeders.We highly recommend you give the patch notes a read if you haven’t already as they’re formatted like a mini-blog post! There’s lots of great stuff to check out.This is also a great time to point out that Prehistoric Kingdom is currently 30% off until September 1st! Be sure to grab it while you can as the sale will end very soo |