- The Wait Is Over — Mystery Egg Shop Simulator Launches September 23rd ! - 8 September 2026
The wait is over !Mystery Egg Shop Simulator launches in full on September 23rd. What started as a Demo and a Prologue has grown into the complete shopkeeping experience we set out to build — and a huge part of that is down to you. Every bug report, every suggestion, every review shaped what's launching this month.The big one: trade with other players !!! (MarketPlace App ) This isn't co-op — but your shop is no longer an island.The Marketplace app connects you to other real life Steam players. List an item from your inventory, set your own price, and sell it to someone who's been hunting for it. Or browse what everyone else is offering and finally complete that set you've been stuck on. Buy from strangers, buy from Real Life friends — it's your call.Co-op is something we may look at down the line. For now, the Marketplace is how players meet. Running the shopOnline Orders App — Custome…
- A Stranger Has Arrived in Town ! - 21 July 2026
A Stranger Has Arrived in Town...Word travels fast in a small town — and this week, everyone's talking about the same thing: a mysterious Stranger has appeared just outside the square ???? No one knows where he came from. No one knows where he goes when he leaves. But once a week, he returns — and his cart is never the same twice. Exclusive stuff he has ...🥚 Introducing the Wandering Merchant, a brand-new feature for Mystery Egg Shop Simulator!Limited Stock, Limited Time — his inventory refreshes weekly, and once it's gone, it's gone.Exclusive Goods — everything he sells is unavailable anywhere else in the game. If you want it, you'll have to catch him while he's around.Come Back Often — you never know what strange and rare items he'll be carrying next.Keep an eye on the Mystery of town. He doesn't stay long, and he doesn't wait for anyone. Those items could also be sold to other playe…
- New Feature Alert: Jaust Brings Online Orders to Your Shop - 14 July 2026
Say Hello to Jaust — Your New Delivery Partner!Introducing Jaust, the mysterious delivery teleport box that connects your shop to a whole new stream of customers — online ones!Once you purchase Jaust and place it in your shop, orders will start coming in from customers who never even have to set foot inside. No queues, no chit-chat — just orders appearing, ready for you to fulfill and send off into the Jaust !
- DEV LOG: Express Your Style with the New Decoration App - 9 July 2026
Hello everyone!As we continue to build and refine the game, we are excited to share another addition to our development as DONE ! , the Decoration App.We want your shop to feel like home, which is why we’ve built a design system that puts the creative power entirely in your hands. With the Decoration App, you will be able to customize your store in three parts wall - ceiling and floor. Add decorative accents to create a space that perfectly reflects your personal style.
- More News : Online MarketPlace App Feature added - 11 June 2026
Online Marketplace added to Mystery Egg Shop Simulator ! Buy, sell, and trade your items with real players through your in-game phone / MarketPlace App and with your in-game money to complete your collections and maybe extend your vendor ! Set your price and start the online trade system ! This feature will be available in the full version ...
- Mystery Egg Shop Simulator : Prologue is NOW AVAILABLE! 🎉 - 21 May 2026
Hello everyone! We’re incredibly excited to announce that 🎉 Mystery Egg Shop Simulator: Prologue is officially live on Steam!In this free Prologue version, you can start building your very own Mystery Egg Shop, stock your shelves, satisfy customers, and discover all kinds of surprising collectible figures hidden inside mystery eggs. What’s Included in the Prologue?Open mystery eggs and discover unique collectible figuresNew Cat ThemeNew GraphicsNew Decoration itemsNew Bank AppRestock shelves, manage the cashier, and grow your businessCustomize and decorate your store For the Full Release Please check out the ROADMAP A Very interesting FEATURE is on the way ! TRADE WITH YOUR ACTUAL FRIENDS through STEAM ! Online Market Place will be on the Full Version ! The Prologue offers a first look at the systems and gameplay planned for the full version of the game. Your feedback means a lot to us…
- Mystery Egg Shop Simulator: Prologue arrives on May 21st! - 7 May 2026
Greetings, We are thrilled to announce that Mystery Egg Shop Simulator: Prologue will officially be available to play on May 21st! Save the Date ! ːsteamhappyː Please Check out the Prologue Page !
- More News and Dev Log ! - 5 March 2026
🔥 Take Your Seat At The Front Row! Hello everyone! Here’s a new Devlog update to share what we’re currently working on.Right now we are developing an in-store Auction Event system that will take place directly inside your shop.One of the image, you can see the app interface used to create and schedule an auction event, where you choose the date and organize everything before it begins.The second image shows the auction area inside the shop, along with some early shop decoration customization experiments. These visuals are still work in progress, so they are not final yet—but we wanted to give you a preview of what we’re building.These in-store auction events will create a new way for you to earn money. We are also working on another feature: you will be able to select items from your inventory and place them in the auction to sell during the event.We’ll continue sharing improvements st…
- Next Fest Update with new features ! - 24 February 2026
Warning ! This update features new mechanics therefor it will wipe the SAVE games ! You have to start a new game! So many bugs fixed and so many new user experience added regarding your feedback to the game ! AdjustmentsNew city ambiance sound is addedRepeating traffic jam car horn is removedSome of the sfx volume is decreasedCustomer waiting queue movement times are adjustedNew diorama shelf is addedNew diorama side and bottom frames are addedFigure info card is updatedColliders of the action figures are adjustedNew diorama completion confetti effect is addedDiorama Pop-up sound added'Esc' key added as back button to leave the register The time starts once you finish naming the store !Customer complaining is fixedFurnitures are available for selling back in this build !Daily Summary action figures selling info is fixed in this build !The scroll in the product window is fixed for this b…
- Next Fest Update with new features ! - 23 February 2026
Warning ! This update features new mechanics therefor it will wipe the SAVE games ! You have to start a new game! So many bugs fixed and so many new user experience added regarding your feedback to the game ! AdjustmentsNew city ambiance sound is addedRepeating traffic jam car horn is removedSome of the sfx volume is decreasedCustomer waiting queue movement times are adjustedNew diorama shelf is addedNew diorama side and bottom frames are addedFigure info card is updatedColliders of the action figures are adjustedNew diorama completion confetti effect is addedDiorama Pop-up sound added'Esc' key added as back button to leave the register The time starts once you finish naming the store !Customer complaining is fixedFurnitures are available for selling back in this build !Daily Summary action figures selling info is fixed in this build !The scroll in the product window is fixed for this b…
- Important Announcement Regarding The Last Update of Demo - 11 February 2026
Dear Players, We are aware that many of you are experiencing significant bugs and issues with your Demo save files following our latest update. First and foremost, we would like to sincerely apologize for the frustration this has caused. We know how much time and effort you put into your progress in the Demo version, and seeing it disrupted is the last thing we wanted. - Our team is currently working around the clock to identify the root cause of the bugs. - Our latest update brings significant new content and structural changes to the world of Mystery Egg Shop Simulator. While we are excited to introduce these features, we have seen reports regarding issues with existing save files. We want to clarify that these issues are not caused by a "bug," but rather by a technical incompatibility between the old save data and the new content architecture. Because the new systems add deep-rooted…
- New Demo update and Devlog - 6 February 2026
New FeaturesCollection App — Keep track of every figure you’ve discovered on your journeyStock Tracking App — Monitor your shop inventory and total value at a glanceBanking App — Open savings accounts to earn interest or take out loans when you need extra funds (Limited Demo version)Added a new diorama shelfAdded 4 new music tracksAdded various new sound effectsImproved egg and diorama opening presentationsNew visual effects for completing dioramasAdjustments & ImprovementsRefreshed shopping and interface screens with a cozier visual styleRebalanced pricing for eggs, figures, and dioramasClicking an empty action figure shelf slot now opens the inventory fasterReduced install size significantly through asset optimizationsBug FixesFixed customers attempting to pick up empty productsFixed customers getting stuck while entering or exiting through doorsFixed stale inputs opening unrelated wi…
- Demo Build 0.4.d.95 Update - 6 January 2026
This update includes adjustments on your feedbacks ! Thank you ! Adjustments New city ambiance sound is addedRepeating traffic jam car horn is removedSome of the sfx volume is decreasedCustomer waiting queue movement times are adjustedNew diorama shelf is addedNew diorama side and bottom frames are addedFigure info card is updatedColliders of the action figures are adjustedNew diorama completion confetti effect is addedDiorama Pop-up sound added'Esc' key added as back button to leave the register Bug Fixes Fixed a bug where some mission descriptions are not showing up rightFixed a bug where when the figure is removed from a diorama and added to inventory again, it doesn’t register and disappear after reboot
- Steam wishlist has just passed 1k 🎉 Thank you and Have a great Holiday !!! - 23 December 2025
As the year comes to a close, we wanted to take a moment to wish you a very happy holiday season and a wonderful New Year ✨ From all of us at Rocinante Games, thank you for being part of such a creative and inspiring community. Whether you’ve discovered Mystery Egg Shop Simulator, shared cozy moments or simply supported indie games this year — we truly appreciate it. We’re also excited to share a small but meaningful milestone with you: 🎉 Our Steam wishlist has just passed 1,000! The support and interest from the community have been incredibly motivating for us. We hope your holidays are filled with warmth, creativity, and maybe a few surprise eggs along the way 🥚🎁 Wishing you a joyful holiday season and a fantastic year ahead! Warm wishes, Rocinante Games / Mystery Egg Shop Simulator
- Demo Build 0.4.d.93 Update - 17 December 2025
Adjustments Action figure icons added to the diorama info card to indicate which ones have been placed and which are missingPosition of the shop naming indicator moved forwardProduct price margins updated (increased)Localization of diorama-related UI messages addedCorrect placement particle effect that shows which slot to put the action figure on the diorama has been redesignedFixes Fixed a bug where moving the diorama to hand while placing an action figure caused an exceptionFixed a bug where the correct placement particle effect would remain visible when switching to the next diorama during action figure placementFixed a bug where returning from any of the phone action screens caused a double return action prompt
- Captain's DEV LOG ! What are we currently working on ? - 16 December 2025
Hey everyone ,We would like to update you on every corner of our game development. Currently the rarity systems of items integrated. There will be different types of rarities in the game which also effects the value of items youcollect. This rarity also effects the type of Diaroma if you complete a set of theme. We would like to remind that this is work in progress and this may have changed in the future. Rust / Silver / Gold and Cosmic Rust : The value will be very low than the egg you bought Silver : The value will be slightly higher than the wrapped egg price. Gold : The value will be slightly higher than the Silver edition price. Cosmic : Limit is the Sky ! Please feel free to Join our Discord Community !
- Demo Build 0.4.d.92 Update - 15 December 2025
Adjustments Custom product price entry panel is redesignedClosing the phone button is switched to TAB Fixes Fixed a bug where volume of the some Sfx can't be controlled through Sfx volume section in the settings windowFixed a bug where while holding an egg if the end of day report comes up, game becomes unplayable due to input lock down
- Demo Build 0.4.d.91 HotFix - 11 December 2025
Fixed a bug where some of the texts at the cash register display disappears in some languages
- More News and Dev Log ! - 10 December 2025
🔥 Take Your Seat At The Front Row! Hello everyone! Here’s a new Devlog update to share what we’re currently working on.Right now we are developing an in-store Auction Event system that will take place directly inside your shop.One of the image, you can see the app interface used to create and schedule an auction event, where you choose the date and organize everything before it begins.The second image shows the auction area inside the shop, along with some early shop decoration customization experiments. These visuals are still work in progress, so they are not final yet—but we wanted to give you a preview of what we’re building.These in-store auction events will create a new way for you to earn money. We are also working on another feature: you will be able to select items from your inventory and place them in the auction to sell during the event.We’ll continue sharing improvements st…
