Steam app 761830 · updated 12 Sep 2026, 19:39 UTC
Mr. Prepper is about being prepared. You know something is wrong. The risk of a nuclear war is in the air and you need to get ready for what's coming.
720 hourly samples, with the daily peak drawn over them. Weekends are shaded.
71 months, December 2017 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, 437 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, 283 hourly samples. Each dip is a night. Weekends are shaded.
Mr. Prepper was released on 18 Mar, 2021.
| Language | Full audio |
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| English | ● |
| Polish | |
| French | |
| German | |
| Russian | |
| Spanish - Spain | |
| Turkish | |
| Simplified Chinese | |
| Dutch | |
| Japanese | |
| Italian | |
| Portuguese - Brazil | |
| Korean | |
| Czech |
A blank audio cell means full audio was not marked in the returned language list.
Mr. Prepper - Official Teaser 2
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Mr. Prepper - Release Date Reveal Trailer
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Mr. Prepper - Official Teaser_corrected
Watch on Steam103 achievements in total.
50 developer announcements, May 2022 to Aug 2026 · times in UTC
Greetings, Preppers!A New FREE Cooking Update Has Arrived!With the new PrepperMix Machine, you can automate your cooking and save some valuable time in the bunker. You can find its recipe at the Level 3 Workbench - because apparently…
MitttiirHello, fellow preppers! Yesterday, Mr. Prepper had its fifth anniversary! Thank you all for an incredible 5 years of support! We are still happy to see most of you sticking around and we are also happy to see our newest members join our Mr.…
MitttiirHello fellow preppers!We send warm wishes to everyone celebrating the Lunar New Year and the Year of the Fire Horse 🐎🔥May this year bring you strength, resilience, and the courage to push forward even when times are tough. The Fire Horse…
MitttiirGreetings, Prepper!The Steam Awards are just around the corner this December, and we’d be honored if you’d consider nominating Mr. Prepper in the “Labor of Love” category! Many of you have spent countless hours with Mr. Prepper, and if you…
MitttiirHappy Halloween, fellow preppers! It is spooky times! We are glad to inform that spooky content is again available! Please enjoy the mini-game (check the forest) and limited time exclusive Halloween cosmetics that you can use to decorate…
MitttiirHey Preppers!We’ve been digging in the bunker, tightening screws, and stashing away ideas - and now it’s time to bring you a fresh new FREE CONTENT UPDATE :)What's inside:New NPC - Scout Girl: Buy lemonade and other special…
Rejected GamesHello, fellow preppers!We're excited to announce that our latest DLC - Project Uranium DLC is now available!This new addition brings a brand new side story centered around Muricaville’s Nuclear Plant. Expect a fresh gameplay experience with…
Rejected GamesHello, fellow preppers!We're excited to announce our latest DLC – Project Uranium DLC! This new addition brings a brand-new side story centered around Muricaville’s Nuclear Plant. Expect a fresh gameplay experience with unique items, area…
Rejected GamesHello fellow preppers! Survival Machine from our friends at Games Operators just launched its EA release! If you have already dealt with the consequences of nuclear war as a prepper, now might be the right moment to survive on a giant…
Rejected GamesHello, fellow preppers! Today, Mr. Prepper has its fourth anniversary! Thank you for an incredible 4 years of support! Your passion, creativity, and enthusiasm have meant the world to us. Whether you’ve been prepping from day one or just…
MitttiirGreetings Prepper! As you probably already know, the Steam Awards are coming in December - and there is a chance to nominate Mr. Prepper to this. You can nominate us in "Labor of Love" category! We know that a lot of you played our game…
MitttiirHappy Halloween, fellow preppers! It is spooky times! We are glad to inform that spooky content is again available! Please enjoy the mini-game (check the forest) and limited time exclusive Halloween cosmetics that you can use to decorate…
MitttiirGreetings fellow Preppers! As you can see we are still active and eager to provide you some new cool features and content! :) 🎮 Custom Gamemode Alert! 🎮 Now you can craft your perfect gameplay experience! Whether you want it tough as nails…
Rejected GamesHello fellow Preppers! Possible that you've noticed, for some time now we've been continuing the policy of implementing updates that you've requested since the release. Below is the list of new features :) New Features: Added option to…
Rejected GamesHello fellow preppers! During the festival we would like to demonstrate support for environmental protection and raising awareness of the importance of long-term ecological sustainability. Mr. Prepper is about preparation - but the best…
Rejected GamesGreetings Preppers! Prepper will soon be celebrating its third anniversary! Despite working on new productions, we continue to listen to your suggestions and make improvements to the game. This time, we have prepared a substantial package…
Rejected GamesGreetings Prepper! As you propably already know, the Steam Awards are coming in December - and there is a chance to nominate Mr. Prepper to this! We know that a lot of you played our game - and if you really think it is worth it please…
Rejected GamesHello fellow preppers! It is spooky times! We are glad to inform that spooky content is again available! Please enjoy the mini-game (check the forest :) ) and Halloween cosmetics you can decorate your bunker. Also during the time of the…
Rejected Games- we fixed stopped time after playing a minigame.
Patch notesHello Preppers! We are delighted to inform you that our game has received another update! This time, we have implemented our idea from the early days of designing Mr. Prepper - the computer at home now has the ability to play mini-games.…
NebukadneccarHello Preppers! Animal Farm DLC is now available on Mac! https://store.steampowered.com/app/1882510/Mr_Prepper__Animal_Farm_DLC/ Also check our bundle - Anniversary Edition!…
Patch notesHello Preppers! Animal Farm DLC is now available on Mac! https://store.steampowered.com/app/1882510/Mr_Prepper__Animal_Farm_DLC/ Also check our bundle - Anniversary Edition!…
Rejected Games- fixed a bug causing issues when loading scene objects
Patch notes-Small performance improvements for animals. -Fix being stuck in combat mode in the desert when one of the snakes escapes. -Fix negative numbers in fish quests info when you reach the max fisherman rank. -Fix a rare bug in which the…
Patch notesAny aspiring Martians around here? Today, our friends from Pyramid Games are releasing their survival simulation game Occupy Mars: The Game! https://store.steampowered.com/app/758690/Occupy_Mars_The_Game/ To celebrate with them, we created…
Rejected GamesHello fellow Preppers! We have been listening to your suggestions and we decided to add a coffee machine system. From growing your own coffee beans to making your own coffee to energize yourself :) Stamina is no longer a problem! Just grab…
Rejected GamesHey, everyone! 👋 We're excited to announce that our friends at DRAGO entertainment will be hosting a thrilling event for all you adventure seekers out there on April 26th! The event will feature huge discounts, and we're thrilled to be a…
Rejected Games- Fixed hide/unhide dog den feature - Updated dog sleeping behavior (now when the agent arrives, Xeno cannot sleep) - Fixed rare case of the Milk the Goat quest not updating properly - Fixed Korean fonts - DLC translated into new languages…
Patch notes- Workbench will now have appropriate placement collisions to its appearance on each level (so now you can place lights over workbenches on lower levels). - Added a warning about unlocking the advanced combat system when reading "Deterrence…
Patch notes- fixed "Go fishing" quest stack in journal - fixed rare bugs that could occur while switching between save files like: weather changing every few seconds, being stuck in ufo maza with constant "You should go to sleep" pop up - rain should…
Patch notes- Fixed multi spawning items after dog adventure - Added restore freshness of fishes when put in aquarium - Fix ufo maze go to sleep death loop and other ufo maze / boss fight related problems - Fishes will expire after 2 days, but they…
Patch notes- Fixed multi spawning items after dog adventure - Added restore freshness of fishes when put in aquarium - Fix ufo maze go to sleep death loop and other ufo maze / boss fight related problems - Fishes will expire after 2 days, but they…
Patch notes- Fixed back path intractable after ufo boss fight - Fixed boss fight not loading back properly if you win and die at the same time - Added Keep Calm buff to Combat Tutorial - Fixed barn hole autorepairing - Fixed xeno runaway dialogues…
Patch notes- Improved the black fabric material quest to make it easier to complete in certain situations. - Logs will now respawn faster on easy mode. - Fixed a bug that prevented hamsters from getting any satiation from eating hay. - Hamsters will…
Patch notes- Fix bug that could make feeding animals quest not update properly. - Fix wrong name of one of the days in the calendar. - Maze minigame UI will be more visible at night. - Fix looping audio of fishing rod reel. - Fix Xeno friendship buff…
Patch notesHello fellow preppers! Today is the day! We are releasing our first DLC! On this occasion we invite you to watch the developer's stream! Also, we have released a big update with bug fixes, improvements, and combat update! Now you are able…
Rejected GamesHello Preppers! The Closed Beta DLC registration is here! If you are interested in participating in the beta tests please follow the link: https://forms.gle/5SSYKGgjkorA7YVt5 or click HERE! Once the registrations are over we will send…
Rejected GamesHello fellow preppers! We are glad to announce that we are participating in Base Builder Fest! Due to this fact we have invited a friendly streamer, Jarrel! He will be streaming for you on Monday, Tuesday and Friday. Also we discounted the…
Rejected GamesHello, fellow preppers! Due to some publishing reasons we are changing the release date to a week earlier. "Animal Farm DLC" will have its release on 10th of March! If you haven't added yet - add it to your wishlist now to get notification…
Rejected GamesGreetings prepper! We have came with two very important news! First of all - our DLC, Animal Farm, has now a release date. It has been a while since we tried to estimate how long the production process will take. It took a bit longer. At…
Rejected GamesGreetings Prepper! As you propably already know, the Steam Awards are coming in December - and there is a chance to nominate Mr. Prepper to this! We know that a lot of you played our game - and if you really think it is worth it please…
Rejected GamesHello fellow preppers! It is spooky times! We are glad to inform that spooky content is again available! Please enjoy the mini-game (check the forest :) ) and Halloween cosmetics you can decorate your bunker. Also during the time of the…
Rejected Games⦁ Fix for a rare situation that a player can stuck in a tutorial of the main game ⦁ UI trade fixes ⦁ Improved display of the wilting icon on plants - removal of situations in which the icon was not displayed but should ⦁ Improved fast…
Patch notesHello fellow Preppers! 🤝 We are pleased to announce that we have created a unique bundle with Project Wunderwaffe —> Mr. Wunderwaffe! 🚀 You can buy it right now, and grab it with a 10% discount, also Project Wunderwaffe has a launch…
Rejected GamesHello fellow preppers!, Grab the Get prepared for an Electrician bundle with 10% discount! https://store.steampowered.com/bundle/28097/Get_prepared_for_an_Electrician {STEAM_CLAN_IMAGE}/35033617/7d7524998fc4e65d219c995a8e49b3f7ce08503f.png…
Rejected GamesHello fellow preppers! Considering many helpful requests from the community we've decided to add some automation features to the game. They should help you perform certain actions faster without boring repetitiveness. Please find full…
Rejected GamesGood day fellow preppers! The Bundle Prepare the Construction with Builder Simulator is now available with a 10% discount! {STEAM_CLAN_IMAGE}/31521289/744f1d46ce99617bb4939c3e5e52fc3b515cf719.png We also encourage you to follow the premiere…
Rejected GamesHello Preppers! We've added some cosmetic changes possibilities! From now on you will be able to change appearience of Mr. Prepper! New visual wearable items for character customisation; Pants, T-shirts, jackets, shoes, caps, glasses and…
Rejected GamesHey Preppers! A new bundle has just arrived! Now you can buy Mr.Prepper together with Gas Station Simulator and Can Touch This DLC at a great price! {STEAM_CLAN_IMAGE}/31521289/693d652c99d0c8aa0cae7ae30f8de5799fcdaff0.png Try Prepper…
Rejected GamesFellow Preppers! We’ve just released a new bundle! Thanks to T-Rex Meets Mr. Prepper Bundle you can now purchase our game together with Dinosaur Fossil Hunter - a Paleontology Simulator made by our friends at Pyramid Games!…
Rejected GamesEverything 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 |
|---|---|---|
| Mr. Prepper - Uranium Project DLC | WindowsmacOS | 26 Sep 2025 |
| Mr. Prepper - Animal Farm DLC | WindowsmacOS | 10 Mar 2023 |
| Mr. Prepper Soundtrack | WindowsmacOSLinux | 18 Mar 2021 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | MrPrepper.exe | windows | ||
| Launch | MrPrepper.app\Contents\MacOS\MrPrepper | macos |
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 | Saves | *.prp |
gameinstall | Saves | *.bck and below |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG