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All things Project Moon!

Limbus Company Season 7: Kumo no ito • oti on akA is now live!

Project Moon Games on Steam

Masterpost of all Project Moon stories

Helpful resources

Limbus Company community (inactive, 8 months worth of daily fanart): !LimbusCompany@kbin.social

(Limbus) Team builder & collection tracker (File > Make a copy)

(Limbus) Database of identities

(Limbus) Database of egos

(City) Lore Compendium

Welcome aboard, managers!

founded 1 year ago
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Announcement on Steam.


Hello, this is Project Moon.

We have identified an issue where, following the May 28th, 2026 Scheduled Update, persistent stuttering issues are observed in-game.

[ Suspected Cause ]
With the Ver. 1.106.0 Update, the game development engine has changed, and some of the preexisting system that converts Limbus Company characters' Skills, Coins, and Buff effects may have become incompatible with the updated game engine, causing the stuttering issue.

Primary sources of stuttering reports have been identified in the following areas:

  • Moving between nodes in the Mirror Dungeon
  • Making choices and running Skill checks in Mirror Dungeon Choice Events
  • Making purchases in Mirror Dungeon shops
  • Selecting Combat Encounters and viewing the pre-battle enemy info UI (Refraction Railway, Story Combat Encounters, Mirror Dungeon Combat Encounters, etc.)

[ Issue Fix ]
We have identified, in areas affected by stuttering, the specific logic that requires optimization. We have made the necessary corrections and are currently running tests to ensure its stability.

[Fix Schedule]
We are working to deploy a version that resolves the stuttering issue as part of the Jun. 4th Scheduled Update.
If the work is completed sooner, we will deploy the fix on the Steam platform first, as it does not require a separate review process.

We sincerely apologize for the inconvenience.

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Announcement on Steam.


Hello, this is Project Moon.

We would like to inform you about the known issues identified after the May 28th, 2026 Scheduled Update, and the ETA for a Hotfix that addresses some of them.

Please continue reading for more information.

[ To-be Hotfixed ]

▶ Fixed an issue where "Sinnerlings' Chicken-scratch Farewells" item does not show up in the players' inventory
※ This fix will make the item, which is still in your accounts but hidden from the inventory display, visible again.

▶ (EN Only) Fixed an issue where the update caused Canto 1~2 re-translations and miscellaneous typo fixes to be reverted

▶ Fixed an incorrect description for a Skill of an enemy in Refraction Railway Line 6
※ Relevant Skill : The Descending Pin
– Before : [Clash Win] Spawn "Flower-burying Pin" next turn
– After : [On Use] Spawn "Flower-burying Pin" next turn
※ This effect is working as intended; this is a Skill description-only fix.

▶ Fixed an issue where an incorrect image was used for the "Identity Deployment Limits" page of the Refraction Railway tutorial

[ Hotfix ETA ]
– May 28th (Thu) 19:30
– There may be a 10 minute delay.

※ The Hotfix will be deployed upon restarting the game, and does not require a separate client update. However, please note that additional in-game downloads may occur.

[ Additional Issues Still Being Investigated ]
▶ (Steam) An issue where the game's resolution cannot be freely adjusted

▶ An issue where, in Refraction Railway Line 6, certain triggers could cause the turns to pass indefinitely, causing the battle to become unresponsive

▶ An issue where, in Refraction Railway Line 6, The House of Spiders: The Index Nursefather Yi Sang using Furioso-Replica on a certain enemy could cause the game to become unresponsive mid-animation

▶ An issue where Limbus Company's App icon appears differently

▶ (AOS) An issue where a black screen appears upon launching Limbus Company, blocking game launch
※ We are constantly monitoring and investigating this issue.
※ Once the cause of this issue has been identified and resolved, we will inform you via a future notice.

[5/28 Scheduled Update Error Compensation]
– Content : Lunacy x1300
– Recipients : All users whose game accounts were created before Jun. 4th, 2026, 10:00 (KST)
– When : After May 28th, 2026 (Thu) 21:00 (KST)
– Can be claimed once per account

Maintenance compensation can be obtained through your in-game mailbox until Jun. 4th, 2026, Thursday, 10:00 KST (Mail claim period: 7 days).

We sincerely apologize for the inconvenience.

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Announcement on Steam.


Hello, this is Project Moon.

The previously announced price adjustment for the package products has now been completed.
Please note that sales have resumed, and we would like to inform you of the follow-up measures.

Please refer below for more information.

[ App Store Package Sales Resumption ]
Sales resumption time: May 28th (Thu), around 15:40 (KST)

※ If you are unable to make a purchase, please completely close the game application and restart it. Purchases should proceed normally afterward.

[ Follow-up Measures Regarding App Store Price Adjustment ]
We plan to provide Paid Lunacy equivalent to the price difference for Managers who purchased the affected packages in Korean Won (KRW) before the price adjustment was applied.

– Eligible Recipients: Managers who purchased the affected packages in KRW by May 28th, 15:00
– Compensation Details: Paid Lunacy will be provided in an amount equivalent to the price difference of the packages affected by the pricing error.
– Date of Distribution: Jun. 4th Scheduled Update

※ We had initially planned to issue refunds for the affected packages; however, on iOS, payment authorization is delegated to the platform, and the game company cannot process refunds arbitrarily.
We deeply apologize that, due to this issue, we have no choice but to provide a Paid Lunacy compensation, based on the price difference.

If you would prefer a monetary refund instead of Paid Lunacy, please contact Apple Customer Support via the link below to proceed.
Please note that relevant purchased packages will be withdrawn from your account if a refund is processed.

– iOS Customer Support
https://reportaproblem.apple.com/

[ Paid Lunacy Compensation by Package (to be distributed) ]
※ The amounts below have been calculated based on the KRW price, using the most price-efficient Lunacy package (Lunacy Hoard) as the reference.
Based on this calculation method, 100 KRW is converted to approximately 7.58 Paid Lunacy, with decimals rounded up.

  1. Packages
    : Weekly Extraction Pack - 84 Paid Lunacy
    : Weekly Extraction Ticket Pack I - 84 Paid Lunacy
    : Weekly Enkephalin Pack - 84 Paid Lunacy
    : Monthly Extraction Pack - 228 Paid Lunacy

  2. Growth
    : Weekly Thread Pack - 84 Paid Lunacy
    : Monthly Training Pack II - 834 Paid Lunacy

  3. Lunacy (including first-time purchases)
    : Lunacy Bouquet - 152 Paid Lunacy
    : Lunacy Crate - 455 Paid Lunacy
    : Lunacy Cluster - 834 Paid Lunacy
    : Lunacy Hoard - 1,365 Paid Lunacy
    : Monthly Lunacy Supply - 84 Paid Lunacy

We sincerely apologize for the inconvenience caused by the package pricing error.

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Announcement on Steam.


Hello. This is Project Moon.

As of May 28th, 2026, 00:00 (KST), the prices of packages sold on the Korean App Store have increased.
In order to adjust the prices of the affected packages, sales of certain packages will be temporarily suspended.

At present, we are using the US Dollar (USD) as the base currency for in-app purchases.
In accordance with Apple's policy, package prices for Korean Won (KRW) payments were automatically increased on May 28th due to price equalization with the base currency.

For the affected packages, we plan to resume sales after adjusting the KRW prices on the App Store to match the package prices on Steam and Android.

We will proceed with this correction as quickly as possible. Once the correction is complete, we will provide another notice outlining the follow-up measures.

Please refer below for more information.

[ Temporary Sales Suspension of Certain App Store Packages ]
※ Sales suspension time: May 28th (Thu), around 14:50 (KST)

※ List of packages whose sales will be suspended

  1. Packages
    : Weekly Extraction Pack
    : Weekly Extraction Ticket Pack I
    : Weekly Enkephalin Pack
    : Monthly Extraction Pack

  2. Growth
    : Weekly Thread Pack
    : Monthly Training Pack II

  3. Lunacy (including first-time purchases)
    : Lunacy Bouquet
    : Lunacy Crate
    : Lunacy Cluster
    : Lunacy Hoard
    : Monthly Lunacy Supply

※ The exact time at which package sales are suspended may vary depending on the device.
If a package still appears available for purchase after the sales suspension begins, please refrain from purchasing it.

We sincerely apologize for the inconvenience.

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Announcement on Steam.


Hello, this is Project Moon.

We would like to inform you about the known issues identified after the May 28th, 2026 Scheduled Update.

The following issues are currently being investigated, and we will share further information, such as causes, fixes, or Hotfix ETA, in a future notice.

Please continue reading for more information.

[ Known Issues ]
▶ (AOS) An issue where Limbus Company's App icon appears differently
※ This issue was caused by AOS icon settings missing in the Unity engine update process.

▶ (Steam) An issue where the game's resolution cannot be freely adjusted

▶ An issue where "Sinnerlings' Chicken-scratch Farewells" item does not show up in the players' inventory
※ Please note that the item is not lost and is still in your accounts, only hidden from the inventory display.

▶ An issue where certain interactions such as viewing Stage info, accessing Mirror Dungeon Shops, or entering Choice Events could cause the game to lag briefly

▶ (AOS) An issue where a black screen appears upon launching Limbus Company, blocking game launch
※ For Managers experiencing this issue, please submit an inquiry to the Customer Support email address below along with your device information. We will collect the information and investigate the issue as quickly as possible.

[Customer Support]
limbussupport@projmoon.com

[Required Information]
– Device currently in use:
– OS version:

We sincerely apologize for the inconvenience.

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Announcement on Steam.


Hello, this is Project Moon.

The hotfix that was applied on May 14, 2026 will be rolled back. We would like to provide the schedule and details of the rollback.

Please refer below for more information.

[ Elements to be Rolled Back ]
▶ The Mirror World reclassification for the Identity Story of Blade of the House of Spiders Ryōshū
※ The rollback will only apply to the item listed above. No other content will be changed.

[ Hotfix Schedule ]
– 5.14 (Thu), 21:00 (KST)
– Please note that there may be a delay of approximately 10 minutes.

※ The hotfix will be applied without a version update upon reconnecting to the game.
Please note that additional download may occur when the hotfix is deployed.

We sincerely apologize for the inconvenience caused.

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Announcement on Steam.


Hello, this is Jihoon Kim, Director of Project Moon.

This notice is meant as an apology, as well as an explanation regarding the Mirror World separation issue in the Identity Story for Blade of the House of Spiders Ryōshū.

Allow me to begin by saying that, in the initial design stage, the story of Season Highlight Identity for Ryōshū was set in the same Mirror World as the other House of Spiders Nursefather and Apprentice Identities.

Internal discussions have been ongoing about whether we should completely separate the two Mirror Worlds and develop their stories independently. During this process, communication between the implementation team and the scenario team was not made clear enough.

In the concluding stage, as I was writing the flavor text, I had decided to group Blade of the House of Spiders Ryōshū and the other Nursefather and Apprentice Identities into the same World. This was conveyed to the scenario team, but not to the implementation team. As a result, the Mirror Worlds grouping was recognized as a bug, and a hotfix was applied to separate the Mirror Worlds in the Identity Stories:

  1. Highlight Identity of Ryōshū and the other House of Spiders Identities were initially set to be in the same World
  2. During the early part of Chapter 9, while designing and developing Highlight Ryōshū, a brief discussion took place regarding the feasibility of making her story part of a different World from that of the other House of Spiders Identities
  3. With the release of House of Spiders Nursefather and Apprentice Identities, I naturally came to think that Highlight Ryōshū’s Identity Story should be set in the same world. The Identity Story and the flavor texts, then, were written with that consideration in mind.
  4. The process described in Point no. 3 happened gradually, and it was not decisively shared with the implementation team
  5. Following today's Scheduled Update, the implementation team saw that the Mirror Worlds of Highlight Ryōshū and the other House of Spiders Identities had been grouped together, and corrected it through a subsequent hotfix

Two issues occurred through this series of events, and we plan to fix them.

  • First - Information was not aligned across teams during the design and integration process between the Highlight Identity's Story and the other Identity Stories
  • Second - It is simply that I should have confirmed and approved important plot-related elements.

The company and teams have grown in scale since their founding, and so has the scope-and-division of tasks. As the director, it is my duty to properly recognize which parts I need to check or confirm through the end, and which parts are to be entrusted to the teams. I regret to say that my failure to do so has led to the current issue.

Words couldn't describe how sorry I am that, due to this issue, users who had been closely following the tragic or unexpected plots of the Sinners across their myriad Mirror Worlds were made to feel as though an engaging plot element had been abruptly discarded.

Both the teams and I will seriously reflect on the two issues mentioned above and pay closer attention so that they do not happen again.

I am truly sorry that this issue occurred on what should have been a fun and exciting release day for Ryōshū's Highlight Identity.

We will continue to be mindful so that the plot and setting of the universe-building can be better coordinated to make the game and story experience more immersive. We will also further reinforce our communication system.

Once again, I sincerely apologize.


[Compensation for Mirror World Division Issue in the Identity Story of Blade of the House of Spiders Ryōshū]

  • Content : Lunacy x1300
  • Recipients : All users whose game accounts were created before May 28, 2026, 10:00 (KST)
  • When : After May 14th, 2026 (Thu) 21:00 (KST)
  • Can be claimed once per account

Maintenance compensation can be obtained through your in-game mailbox until May 28, 2026, Thursday, 10:00 KST (Mail claim period: 7 days).

41
 
 

Announcement on Steam.


Hello, this is Project Moon.

We would like to inform you of the hotfix schedule and details regarding an issue identified after the May 14th, 2026 Scheduled Update.

Please refer below for more information.

[ Issues Addressed via Hotfix ]
▶ Separation of Identity Story Category for "Blade of the House of Spiders Ryōshū"
※ Identity Story grouping for "Blade of the House of Spiders Ryōshū" will be adjusted, as it was applied differently from the original intended design.

[ Hotfix Schedule ]
– 5.14 (Thu) 17:30 (KST)
– Please note that there may be a delay of approximately 10 minutes.

※ The hotfix will be applied without a version update upon reconnecting to the game.
Please note that additional download may occur when the hotfix is deployed.

We sincerely apologize for the inconvenience caused.

42
 
 

Announcement on Steam.


Hello, this is Project Moon.

We have identified that the 1.105.0 update on the iOS App Store was slightly delayed and became available at 12:35 (KST).

Please note that the update can now be completed normally, and access to the game is now functional.

We sincerely apologize for the inconvenience.

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Announcement on Steam.

(This time with voice acting!)

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Announcement on Steam.


Hello, this is Project Moon.

We would like to inform you about the known issues identified after the Apr. 30th Scheduled Update, and the ETA for a Hotfix that addresses them.

Please continue reading for more information.

[ To be Hotfixed ]

▶ An issue in "Reflectrial][lairtcelfeR" where, if the boss unit has entered Phase 2, the game fails to respond when battle is resumed with the subsequent Team Loadout

[ Issue Cause ]
– With Ver. 1.104.0 Update, the "Docent" Trait Keyword, which was missing in the previous version, was added to the affected boss unit. An erroneous logic in this process caused the game to become unresponsive after the boss entered a new phase.
※ Relevant Bug Fix: Fixed an issue where a specific Keyword was missing from Phase 2 of the boss unit appearing in "Chapter 9.5 - Twining Threads"

[ Issue Fix ]
– The "Docent" Trait Keyword on the boss unit will be removed via a hotfix as a temporary solution to the progression blocker issue.
※ Please note that the bugged logic will be corrected with the next Scheduled Update.

▶ An issue where, in the Nocturnal Sweeping BokGak Reward Exchange menu, a certain reward item is shown and exchanged in incorrect numbers and rates
※ Relevant Item: [Season 7] Egoshard Crate
: This issue was fixed on 4/30 14:03(KST), and will now yield 5 Egoshard Crates instead. The displayed number in the Reward Exchange menu will also be updated once the hotfix is deployed.

※ For Managers who have exchanged the item between 4/30 12:00 ~ 4/30 14:03, please note that we will be providing the correct amount of the said reward item in the future based on its mismatched quantity.
We will share further details regarding this matter at a later date.

[ Hotfix ETA ]
– 4.30 (Thu) 17:00 (KST)
– There may be a 10-minute delay.

※ The Hotfix will be deployed upon restarting the game, and does not require a separate client update. However, please note that additional in-game downloads may occur.

[Ver. 1.104.0 Known Issues Compensation]
– Content : Lunacy x500
– Recipients : All users whose game accounts were created before May 7th, 2026, 10:00 AM (KST)
– When : After Apr. 30th (Thu), 2026, 19:00 (KST)
– Can be claimed once per account

Error Compensation can be claimed until May 7th (Thu), 2026, 10:00 (KST) via the in-game Mailbox. (Mail available for 7 days)

We sincerely apologize for the inconvenience.

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