- Update Announcement - 5 August 2026
We are pleased to announce that Version 1.3.1 has officially launched today!The primary focus of this update includes quality-of-life UI improvements, preemptive mechanic adjustments in preparation for future content expansions, and difficulty balancing to accompany the growing amount of overall content.Additionally, looking ahead, our development team believes that the next major content updates should be accompanied by an expansion of the main story. As we begin taking concrete steps toward the full release through this main story expansion, please note that the frequency of future updates may decrease compared to before. The goal behind this development pace is to ensure the highest possible level of quality for the full version, and we sincerely appreciate your understanding and patience.Please note that the next update will not necessarily mark the transition to the full release. W…
- Update Announcement - 25 June 2026
HoloDungeon Major Update Ver 1.3.0 Now Live!We are excited to announce that Version 1.3.0 has officially launched today!In this major update, titled "Blast-Disassembly! Chemical Launcher!", the core DECORATE mechanics—which are vital to conquering the dungeon—have been adapted and expanded into ranged combat, introducing an entirely new strategic dimension to the gameplay.With this fundamental overhaul to ranged strikes, the full kit and capabilities of the playable character, Koyori Hakui, are finally complete. Alongside this implementation, we have also buffed the drop rate of Koyorinium required for DECORATING, as well as increased the trigger probability of status ailments inflicted by DECORATE effects. Combined with the arrival of several brand-new Hollows, we are thrilled to finally present the true, definitive gameplay experience unique to HoloDungeon.For beginners, we have intro…
- Update Details - 24 June 2026
To everyone who has been eagerly waiting: We are thrilled to announce that HoloDungeon, the traditional holo Indie roguelike, will officially feature English in-game localization starting with tomorrow's update on June 25!This English localization arrives alongside our 3rd Major Update during the ongoing Early Access period.In Version 1.3.0, the Chemical Launcher system overhauls ranged combat, expanding the mechanics to drastically elevate both the strategic depth and the sheer fun of tackling the dungeon. Simultaneously, we are introducing a new practice dungeon designed specifically for beginners, numerous support features, and high-difficulty dungeons that will push seasoned players to their limits—greatly expanding the game's overall depth.Due to the nature of the roguelike genre, HoloDungeon might not always be an easy game. However, our ultimate goal is to create an experience th…
- Notice Regarding the Retirement of Arrows - 17 June 2026
This is an announcement regarding the next update.HoloDungeon is scheduled to receive the Version 1.3.0 update next week on June 25.This update will introduce the new Chemical Launcher feature and bring a major overhaul to ranged attacks by tying them to Decorate. As part of this change, the “Shoot” command will be removed from items in the current “Arrow” category. At the same time, unless our plans change, items in the “Arrow” category will no longer be obtainable going forward.This update will not remove any arrows from players’ inventories or warehouses by editing existing save data or taking similar measures. After the update, arrows will lose their value as an attack option, but they will become legacy items that can only be obtained by players participating in Early Access at this time. If you would like to keep them, please collect them before the update. If you do not need them…
- Update Announcement - 23 April 2026
Today, we are pleased to announce that Holo Dungeon has been updated to Version 1.2.5.Following the Version 1.2.4 update, which was released with the goals described below, this update is aimed at reducing the risk of accidental bulk selling caused by unintended input after the implementation of multi-item selection.The Version 1.2.4 update brought the series of optimization and stabilization measures introduced throughout the Ver. 1.2.X minor updates to a major milestone. While we will continue working on performance optimization going forward, we expect that the large-scale load reductions achieved through broader system revisions, as well as related issues such as the screen-edge rendering bug that had occurred as a result, were largely resolved with that update.As new features, that update also introduced several frequently requested additions, including multi-select for items and t…
- Update Announcement - 22 April 2026
Today, we are pleased to announce that HoloDungeon has been updated to Version 1.2.4.This update brings the series of optimization and stabilization measures introduced throughout the Ver. 1.2.X minor updates to a major milestone. We will continue working on performance optimization going forward, but with this update, we expect to have completed our response to the large-scale load reductions made through broader system revisions, as well as related issues such as the screen-edge rendering bug that had occurred as a result.As new features, we have also taken this opportunity to implement several frequently requested additions, including multi-select for items and the ability to organize items inside 「保存の箱」.In addition, this update includes several other changes. Please see the patch notes below for full details.NewAdded a feature that allows multiple items to be selected at once when c…
- Additional Update Announcement - 3 April 2026
Today, we would like to announce that HoloDungeon has been updated to Version 1.2.3.This update fixes several known issues, including bugs that were inadvertently included in yesterday’s Version 1.2.2 update.Bug FixesFixed a bug where 「名状しがたい触手」 obtained before Version 1.2.2 would not apply its effect of causing thrown items to drop at the player’s feet when equippedFixed a bug where, when starting exploration on a new floor, Hollows in the same room that were in the “寝坊” state could sometimes wake up in response to the player’s first step.Fixed a bug where the icon for a Sign that should have been labeled “回復 IV” was incorrectly shown as “回復 VI”Revised some trap names and updated trap description text overallThank you for your continued support of HoloDungeon!
- Update Announcement - 2 April 2026
Today, we are pleased to announce that HoloDungeon has been updated to Version 1.2.2.To make Decorate a more accessible and practical strategy for a wider range of players, including newcomers, we have updated the menu interface and added new effects while also strengthening existing ones. In addition, we have implemented measures to reduce performance load, including capping the frame rate at around 60 FPS and optimizing certain visual effects. On the other hand, we have confirmed that in some environments, especially during high-speed movement, black areas may briefly appear at the edge of the screen in the direction of travel because rendering cannot keep up in time. We plan to continue investigating and addressing this issue. Please see the patch notes below for the full details of the update.Also today, HoloDungeon was featured in the “とっておきのとっておきインディー2026” section of 週刊ファミ通. As th…
- Update Details - 1 April 2026
HoloDungeon is scheduled to receive the Version 1.2.2 update on April 2, 2026.The main focuses of this update are improving the usability of Decorate, one of the game’s core features, and reducing performance load during gameplay.With this update, information about what effects can be obtained through Decorate will now be shown in the description field of medicine items, making Decorate a more accessible and practical option for players—especially newcomers—when planning their dungeon strategy.We are also adding new convenient Decorate effects and strengthening existing ones, increasing the number of options available to players who want to aim for victory through careful play rather than relying solely on luck.As part of our efforts to reduce performance load, we are also changing the game’s previous variable FPS behavior so that the frame rate will now be capped at around 60 FPS.This…
- Update Announcement - 18 March 2026
Today, we released the Version 1.2.1 update.This update strengthens the Decorate system, with the goal of enhancing the unique gameplay experience that this title offers.These changes make it easier to convert limited resources into high-value items, improving the usefulness of Decorate overall. They also increase the presence of player stats other than equipment and level, making them feel more meaningful as a growth axis that players can consciously engage with while progressing through dungeons.Because these changes shift the game balance somewhat in the player’s favor, we have also made adjustments to the later floors of Index Agitation Zone, the current highest-difficulty dungeon, by changing the number of key gameplay elements placed there.In addition, we have adjusted the behavior of the inventory menu to be closer to the de facto standard, improving the feel of frequently repeat…
- Update Announcement - 16 March 2026
Today, we released the Version 1.2.0 update.With this update, we have added several new features, including item appraisal, new Hollows and items, and a new no-items-allowed dungeon that is currently the most difficult challenge in the game. We have also made adjustments to the main scenario dungeons to make equipment progression easier, along with improvements aimed at helping new players reach and enjoy this new content more smoothly. In addition, this update includes various system improvements and bug fixes.You can find the full details of the update here.We hope you enjoy the newly evolved HoloDungeon. Thank you, as always, for your continued support of HoloDungeon!
- Update Details - 13 March 2026
HoloDungeon is scheduled to receive the Version 1.2.0 update on March 16, 2026.This update, titled “Expanding into the Next Way to Play!”, introduces the new Appraisal mechanic, adding more strategic depth to the roguelike experience. Alongside this new feature, we will be adding Index Agitation Zone, the most difficult dungeon in the game so far, as well as Serendipity Lab, a dungeon designed to help players learn and practice the new Appraisal system.For players who are just starting the game, we will also be increasing the appearance rate of items useful for equipment growth in the main scenario dungeons. The goal of this change is to make the game more approachable for beginners: first by letting them enjoy the story, then by strengthening their equipment and gradually pushing deeper into the dungeons. Through that core roguelike experience, we hope more players will be able to take…
- Overview of the Next Update - 9 March 2026
We are planning to release an update on March 16, 2026.Today, we would like to share an overview of what’s coming.For full details, please check the patch notes, which will be released at a later date.OverviewThis update commemorates Hakui Koyori’s birthday on March 15, as well as the great success of hololive SUPER EXPO 2026 and hololive 7th fes. Ridin’ on Dreams.Titled “Expanding into the Next Way to Play!”, this update will introduce a new mechanic called Appraisal, which allows players to identify mysterious items.To make the most of this new Appraisal system, we will also be adding new content to challenge players—including what will become the game’s most difficult dungeon yet, as well as a dungeon designed for players to casually enjoy the new features.In addition, various new elements to enrich these dungeons are also planned.Main Update FeaturesNew mechanic: AppraisalNew dungeo…
- Version 1.1.3 Update Announcement - 16 February 2026
We have released an update to Ver. 1.1.3 today to address a bug.Bug FixFixed an issue where, after defeating a Hollow, if no characters moved within the same turn, the defeated Hollow could remain displayed on the map.Thank you for your continued support of HoloDungeon.
- Version 1.1.2 Update Announcement - 13 February 2026
We have released an emergency update for Ver. 1.1.1, which went live today.Bug FixesFixed an issue where, in some floor generation patterns, an isolated room could be generated at an extremely low probability.Fixed an issue where, when the floor generation process became highly demanding, the map display could temporarily disappear.Optimized (reduced) the background data used in 「鎮守の森林」 to improve performance.We sincerely apologize for the inconvenience caused.Thank you for your continued support of HoloDungeon.
- Update Details - 12 February 2026
HoloDungeon is scheduled to be updated to Version 1.1.1 on February 13, 2026.This update is titled “Making the Game Easier to Play!” and includes several highly requested improvements such as the implementation of a Map feature and enhancements to the Turn Advance function, along with improved responsiveness across various controls. We’re also adding new elements to guide roguelike beginners who may be wondering, “In what order should I progress through the game?”In addition, we have resolved an issue in the damage calculation formula used when the player attacks. With this fix, strengthening your equipment will now result in larger damage values exchanged in combat, restoring the intended gameplay experience and making character growth easier to feel.We’re also adding new items, so we hope you’ll enjoy this new gameplay experience!The details of the update are as follows:NewAdded a Map…
- Progress Update on the Map Feature - 9 February 2026
Ahead of the update scheduled for February 13, 2026, we’d like to share a progress update on the implementation of the Map feature here on Steam.Due to strong community demand—and because our development team also set it as a high priority—the Map feature is on track to be added in the next update as planned. At the moment, we are conducting final testing and addressing a few minor issues.In addition, alongside the Map feature, we plan to add several new items that provide effects related to the Map feature.In the upcoming update, we also plan to include various other improvements, such as bug fixes, better UI responsiveness, additional quality-of-life changes, balance adjustments, and a new guidance feature aimed at helping roguelike beginners learn how to progress.While there are still many things we won’t be able to address in this update, we want to strike a balance between resolvin…
- Steam Deck Review Result: “Playable” - 5 February 2026
Today, we received a “Playable” rating for Steam Deck from Steam!If you own a Steam Deck, feel free to enjoy the holo Indie roguelike HoloDungeon in a portable, pick-up-and-play environment.In addition, our development team is currently working on multiple quality-of-life improvements for next week’s update on February 13, including the implementation of a Map feature.We’re aiming to make the game even more comfortable and enjoyable to play, and in the long run we also plan to further deepen its strategic depth. We’d truly appreciate your purchase and continued support.Thank you for your continued support of HoloDungeon!
- Upcoming Update Announcement - 4 February 2026
We’d like to share what’s planned for the next update.With the concept of “making the game easier and more comfortable to play,” we’re planning to address the following items in the upcoming update.New AdditionsMap Feature A new Map function.Hint Messages Based on Progress A feature that displays hint messages in the menu based on the player’s overall progress.Sub-Dungeon Hint Dialog When attempting a certain sub-dungeon, if it has not yet been cleared, a dialog will appear with tips to help you progress.Entrance/Exit Indicators Added UI indicators to clearly show map entrances and exits.New Decorate Effects New decorate effects for armor that help prevent the “Atafuta” and “Prophecy” status effects.Adjustments / ChangesChanged trap placement so that traps will no longer spawn at room entrances by default.When changing facing direction, adjusted behavior so you won’t turn in response to…
- Update v1.0.1 - 30 January 2026
AdditionsAdded new voice data to the post-clear event after completing “Hollow Live”.Bug FixesFixed an issue where, due to the Prophecy status effect, attempting to put an item into a \ capacity box could cause the item to disappear.Fixed an issue where, due to the Prophecy status effect, it was possible to place a box inside another box.Fixed an issue where items could sometimes drop onto non-ground tiles on certain maps.Fixed an issue where, by performing a specific operation on certain maps, a Hollow could spawn on non-ground tiles.Fixed an issue where the floor count display for some dungeons was incorrect in the menu when starting a dungeon run.
