Steam app 1547890 · updated 12 Sep 2026, 20:38 UTC
It's time to Build a Zoo! Construct and decorate enclosures, buy and breed animals, hire zookeepers and vets... then try your hand at DNA splicing, and stitch together over 300,000 different types of animal. This can only go smoothly...
717 hourly samples, with the daily peak drawn over them. Weekends are shaded.
59 months, November 2021 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 436 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 281 hourly samples. Each dip is a night. Weekends are shaded.
Let's Build a Zoo was released on 5 Nov, 2021.
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A blank audio cell means full audio was not marked in the returned language list.
45 achievements in total.
45 developer announcements, May 2021 to Feb 2026 · times in UTC
Hi zookeepers, We hope you've been enjoying the latest Hats Update! I don't think we'll ever get bored of seeing your animals in their new fancy headgear. 🎩👒We've also been seeing a lot more of your zoo designs following the release of the…
hollie.pattisonFixed the Steam Deck .NET issue that was preventing players from launching the game.Fixed the Recycling Centre issue with janitors. Recycling Centre employees will now properly collect trash, and when janitors dump trash at the Centres, it…
Patch notesHi zookeepers! A brand new game update went live earlier today for Let's Build a Zoo. Thanks for your patience as we worked to fine-tune the details, we're really happy to finally share it with you. Keep reading for the full overview.…
hollie.pattisonHi all! We've pushed out a small update with some fixes: The heat map, world map, and settings button will be hidden when the build bar is active Fixed an issue where the correct employee icon was not displayed when individually zoning an…
Patch notesHi zookeepers! We've got a new update for you - the Monstrous Structures Update! It's an exciting time for Let's Build a Zoo, you can grab it as part of a Daily Deal, which means you can grab the game and the DLCs at their deepest discounts…
ZxAxifyHi everyone! We've pushed a small update that includes a variety of bug fixes and some new content. Here's what's new! New decorations, lights, bins, signboards and a new main zoo entrance - inspired by the upcoming sequel - Let's Build a…
Patch notesHey everyone, We’ve got some news to share with you about what we’ve been working on and our future plans for Let’s Build a Zoo. Starting with a big one… Our next game is… Let’s Build a Dungeon! Since the launch of Let’s Build a Zoo, our…
hollie.pattisonHi everyone, we've just pushed a small update with a bunch of bug fixes! Fixed a crash when a completed animal-management cloning chamber tries to automatically summon a drone for delivery, but the CRISPR building is currently being moved…
Patch notesFixed a crash where a completed animal-management cloning chamber tries to automatically summon a drone for delivery while the CRISPR building is being moved Fixed a crash when factory workers path to new structures that are placed on…
Patch notesHey everyone! THE DAY IS FINALLY HERE! Let's Build a Zoo's latest DLC, Aquarium Odyssey, is OUT NOW! You can get it for 10% OFF, so grab it now while you can! Discover a world of seafaring beasts and marine life, and give your guests the…
ZxAxifyHey everyone! Can you believe it?! Aquarium Odyssey is coming to Let's Build a Zoo on August 17th! We're nearly set to have ourselves a kraken time, and we cannot wait for you to dive into the world of seafaring beasts and marine life!…
ZxAxifyHey there everyone! {STEAM_CLAN_IMAGE}/40409106/e2806118a48a3b9f4350498fe050f094f43bf6ef.png With April 22nd marking this year’s World Earth Day, we couldn’t wait to get involved with this year’s Earth Appreciation Festival across Steam!…
SettelyHello there, everyone! Has the winter mood made you ill at tide and you feel like you are in need of a new spring start? Look no further, as we’ve got great news for all fans of Let’s Build a Zoo! A massive SECOND PAID DLC announcement and…
SettelyHey everyone, I hope you've all been keeping well and looking after all of our Australian animals! I've got two HUGE things to bring you today - some super secret information about what's next for Let's Build a Zoo, and an exciting…
TinyPixxelsHey everyone, I hope you're all keeping well! Since we announced our console version, we've had SO MANY QUESTIONS about when and where you can play Let's Build a Zoo - thankfully, I can finally answer those questions! Let's Build a Zoo is…
TinyPixxelsMake sure to update your game today as we're HEADED OFF TO AUSTRALIA for a BIG FREE UPDATE! It has two new animals, a crop a shop and a whole host of deco items for you to make your new outback areas AWESOME! Here's what's inside! Brand new…
TinyPixxelsFixed a bug where animals are pooping in the old pens after being moved, resulting in zookeeper blocked popups appearing. Fixed a crash that could occur if you build extremely large pens (across many many sectors!) and tried to place items.…
Patch notesWe are SO excited to announce that Let's Build a Zoo will be STAMPEDING onto Xboxes, PlayStations and Nintendo Switches THIS SEPTEMBER! So many people have been asking about us bringing Let's Build a Zoo to consoles since we first announced…
TinyPixxelsFixed crash (introduced in last update) when moving a pen and dragging outside of the playable area. Recopied over old Morailty points to new system, that were reset inadvertently in the last update (This was related to the fixes for…
Patch notesFixed a bug where editing a pen with water inside could leave some collision behind. Changed the delete tool so it will delete deco inside pens, as well as outside. Fixed a bug where using the delete tool on water items inside pens would…
Patch notesFactory boss achievement was not counting the Goat Battery and Wool Battery buildings. Fixed keeper blocked popup occasionally popping up incorrectly after players have edited their pens and placed lakes. Fixed a bug causing morality to be…
Patch notesThis Build: Switched game to 64 bit architecture (Will improve performance, but most importantly give you more head room on memory, which will reduce crashes on start up / during the game) Added additional catch around the "SHARPDX" start…
Patch notesHey there everyone! Can you believe it's FINALLY TIME? You can now grab yourself our DINOSAUR ISLAND DLC!! We're also releasing a HUGE FREE UPDATE for Let's Build a Zoo - There's a LOT in this one for you to explore! Dinosaur Island is a…
TinyPixxelsHey everyone! Can you believe the keys to your very own Dinosaur Island will be yours in 3 DAYS TIME? {STEAM_CLAN_IMAGE}/40409106/9cae9969ac04be32be92be0d92b248cc3e698d87.gif We can't wait for you to start digging up your fossils and…
TinyPixxelsHey everyone! We're thrilled to bring you TWO announcements! We've got a FREE update for you AND a MAMMOTH DLC, coming on May 26th! LET'S GET PREHISTORIC! We're super excited to bring you Let's Build A Zoo: Dinosaur Island! We had such a…
TinyPixxelsHey there everyone, welcome to another HUGE UPDATE for Let's Build a Zoo! The team have been wanting to add water for a little while but wanted to make sure it was special, not just another floor tile for you to use. We're all super proud…
TinyPixxelsThis update takes care of several issues, while we work towards our next major update. Fixed Keeper blocked issue when trying to internal navigate in some pen situations (there may still be issues, however we are trying to fix them as we…
Patch notesHey everyone! It's time for the Let's Build a Zoo ZOO OF THE YEAR 2021 results {STEAM_CLAN_IMAGE}/40409106/950b8bb4f888870167597431b30fa459562a2564.png We've been chatting about these amazing zoos through December, and we're in awe of your…
TinyPixxelsHey everyone! We've been feeling pretty FESTIVE these last few weeks and so wanted to make sure the next update was full of good tidings and cheer. So here it is, welcome to THE CHRISTMAS TURKEY UPDATE! There are so many fixes and new bits…
TinyPixxelsWelcome to ZOO OF THE YEAR 2021! Before I get into Zoo of the Year, don't forget it's the STEAM AWARDS! Make sure you vote for your favourites, and if you've been ADDICTED to Let's Build a Zoo, give it a nomination for Game of the Year!…
TinyPixxelsHey folks, and welcome to UPDATE 2! This has been a really important one for the team, with a focus on stability and squashing the bugs you've all been finding! As always, thank you for chatting to us in the forums and over on Discord, and…
TinyPixxelsHey everyone! Time for a mini-update from me to keep you all up to date with what's coming next, and a cool thing you might not have seen!! First off though, thank you so much to everyone who left such nice comments about our FIRST UPDATE!…
TinyPixxelsHey everyone! Can you believe we’ve been out almost a WEEK? It seems to have really flown by! With our first week coming to an end, don’t forget there’s only ONE DAY LEFT to pick up Let’s Build a Zoo with 10% OFF! All through the last week…
TinyPixxelsHey everyone! Wow, what a weekend!! We've had thousands of people playing, streaming, sharing their zoos on discord and chatting to us on the forums! We're massively overwhelmed by the positive reaction - thank you to everyone who has left…
TinyPixxelsHey there everyone! It's finally time for us all to build a zoo! LET'S BUILD A ZOO IS OUT NOW! Thank you so much for all of your support and love over the last few months, your support, feedback and encouragement have been invaluable to us!…
TinyPixxelsONE DAY TO GO! ONE DAY TO GO! I cannot believe we're almost there. None of us are really sure how to feel, but we cannot WAIT until tomorrow. We can't wait to welcome you all into your own zoos and get you building the zoos of your dreams!…
TinyPixxelsHEY EVERYONE! TWO DAYS TO GO! TWO DAYS TO GO! I'll be honest, we're all starting to get a bit nervous now! We're busy getting everything squared away ready for launch, but we're definitely trying to have fun with it. Yesterday I shared a…
TinyPixxelsHey everyone! Can you believe there's only ONE WEEK to go? We certainly can't! I've been doing updates in our discord for a while, and I really do hope you've been enjoying them! They've been SUPER cool to write and looking back on them…
TinyPixxelsHey everyone! CAN YOU BELIEVE IT'S ONLY TWO WEEKS UNTIL LET'S BUILD A ZOO LAUNCHES?? I'm beyond excited to get you all building and getting stuck into the game, it's been a VERY exciting week for the whole team this week as we cross t's…
TinyPixxelsHey everyone! It's been a **HUGE** relief for me that you now all know that November 5th is our launch date!! Thank you SO MUCH to everyone who's spread the word and who has wishlisted the game over on Steam, it helps us out no end!! With…
TinyPixxelsHey there everyone! We know lots of folks have been asking and waiting (and asking, and asking and asking...), so we're excited to announce that Let's Build a Zoo will be launching on NOVEMBER 5TH! Don't forget to hit that wishlist button…
TinyPixxelsWelcome to Steam Next Fest! We're live-streaming the demo for Let's Build a Zoo on June 17th at 3 pm BST - come hang out, splice some hybrid animals and build a zoo with us! Want to know more about Let's Build a Zoo? It's time to build a…
TinyPixxelsHey everyone! A massive THANK YOU to everyone who played in our closed beta and gave us feedback, we are massively overwhelmed by the reaction to it! We've been looking through the feedback, and a whopping 90% of players rated the game 4 or…
TinyPixxelsWe are excited to announce that the beta for Let's Build A Zoo will start on MAY 28TH! The beta will run at least through the weekend - we can't wait to see all your wild and wacky animals!…
ZxAxifyHey there everyone! Fancy getting your hands on Let's Build a Zoo a little bit EARLY? We're running a beta test VERY SOON, and we'd love to see you all there! All you need to do to secure your key is sign up here: BETA SIGNUPS We'll be…
TinyPixxelsEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Let's Build a Zoo: Aquarium Odyssey | Windows | 17 Aug 2023 |
| Let's Build a Zoo: Dinosaur Island | Windows | 26 May 2022 |
| Let's Build a Zoo Soundtrack | Windows | 06 Nov 2021 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | LetsBuildAZoo.exe | windows |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
gameinstall | Save | * |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG