- Update 1.3.1 - 9 October 2026
・Improved item behavior when placed on the ground. ・Fixed a bug in Demon Hunt mode where certain reward items could not be obtained properly. ・Changed Demon Hunt mode so discarded items are no longer auto-collected. ・Improved Demon Hunt mode so Hero Soul Statues are auto-collected just like items. ・Adjusted Special Rules for the 2nd loop onward in Endless Exploration. ・Other minor bug fixes and optimizations.
- Notice of Update Ver 1.3.0 - 2 October 2026
Thank you for playing Rustil: Eternal Labyrinth Castle!In this Update Ver. 1.3.0, we have added a new battle mode, new DLC content, and more.◆ Addition of "Demon Hunt"A chaotic battle mode where you must mow down waves of oncoming monsters and survive within the time limit. You can acquire Hero Abilities as you level up, offering a combat experience distinct from Labyrinth Castle Exploration.* You can challenge Demon Hunt from Zhuk Forest.* The acquisition method for the "Relic of the Braver" in Story Mode has been updated; it can now be obtained by clearing Demon Hunt on Beginner difficulty.◆ DLC "Aqua Etoile" ReleaseIncludes 5 color variations of the swimsuit costume "Aqua Etoile", as well as the additional accessory "Nine-Tailed Fox Tail".Additionally, "Aqua Etoile" features a function on the equipment screen to toggle the display of arm/waist parts and shoelaces. Dress in these gorg…
- Update 1.3.0 - 1 October 2026
・Added new mode "Demon Hunt". Can depart from Zhuk Forest after releasing Nevia. ※Obtaining the Relic of the Braver (Lato's Relic) is now a reward for clearing Demon Hunt on Beginner difficulty. ・Adjustments to various Hero Skills. ・Addition of new accessories. ・Addition of color variations for existing accessories. ・Addition of the 2000F reward accessory "Sacred Wings of the Divine Realm". ・Reduced parameter scaling for monsters Lv. 100 or higher in Labyrinth Castle. ・Added "Special Rules" to Endless Exploration. Special rules that change battle conditions from the 2nd loop onward have been added. ・Improvements to "Soul Inscription". Expanded save slots to 15 and added a memo feature. ・Other minor bug fixes and optimizations.
- Update 1.2.4 - 28 August 2026
- Moved the Soul Inscription to the Hero's Chamber. *Existing inscriptions will resume from their legacy locations. - Fixed a bug where a barrier would appear in the Shrine Area of Zhuk Forest, making it inaccessible. - Improvements to Free Camera Mode: - Added a control guide display. Some controls have also been adjusted. - Depth of Field (DoF) effects can now be adjusted only while in Free Camera Mode. - Pressing the Menu button during the defeat sequence now allows you to enter Free Camera Mode. - Free Camera Mode can now be operated even during the activation sequences of Heroic Skills, etc. - Added a control guide display in Free Camera Mode. Some controls have also been adjusted. - Fixed a bug where monsters were unable to move in the Labyrinth Castle: Central Core. - Fixed an issue where the player did not receive credit for defeats when summoned monsters defeated enemies. - Adj…
- Update 1.2.3 - 13 August 2026
- Fixed a bug with Zera's abilities related to strengthening Kotryn. - Fixed an issue where the AI of certain monsters did not function correctly.
- Update 1.2.2 - 8 August 2026
- Fixed an issue where the 3D UI did not display correctly when Render Scale was set to less than 1. - Improved an issue where Kotryn would occasionally stop performing attack actions. - Fixed a bug where Gorldum Lord would appear as a Death Knight when made into a Familiar. - Added the ability to toggle Companion Familiar Summon ON/OFF (can be configured from the Familiars menu in the Main Menu). - Improved the Skill Tree screen where the ability explanation window was overlapping and obscuring other abilities. - Improved the Skill Tree screen to allow each skill to be enabled/disabled. - Improved the parameter display for "Shield" equipment items to show parameters other than "Durability". - Expanded the effective area of the Scroll of Barrier. - Adjusted the "Soul Spiral" ability: the attack range now expands as its level or rarity increases. - Adjusted Zera's "Super Genius Crafting…
- Notice of Update Ver 1.2.0 - 16 July 2026
Thank you for always playing *Rustil*!In the Ver 1.2.0 update, we have added new elements so you can continue to enjoy the game even after clearing the story.We would also like to take this opportunity to look back on the many updates made since Ver 1.1.0.◆ Addition of the "Premium Skill Tree"In addition to the standard Skill Tree, a new "Premium Skill Tree" has been added that allows for further permanent enhancements.Besides boosting Rustil's strength, it features upgrades not found in the regular Skill Tree, such as increasing the Item Drop Rate and the High Rarity Rate.◆ Improvements to Item Drop RatesThere were times when defeating Boss Monsters didn't yield many items, which could be disappointing.We have adjusted the drop rates, making equipment items drop more easily.◆ Familiar EnhancementsSummoned Familiars couldn't be heavily relied upon for offense.However, with the addition…
- Update 1.2.1 - 13 July 2026
- Fixed an issue where the "Premium Skill Tree" was being sold on floors below 50. - Fixed an issue where the description for the "Premium Skill Tree" was displaying incorrectly (the effect was being applied normally).
- Update 1.2.0 - 10 July 2026
- Added "Premium Skill Tree" to the home. The "Premium Skill Tree Book" is now sold on Shop Floors from floor 50 onwards, and can be unlocked by purchasing and bringing it back home. - Increased the Skill Point gain rate in "Safe Mode". - Increased the amount of Skill Points gained in all exploration modes after clearing the story. - Reduced the loss rate of acquired Skill Points upon exploration failure. - Fixed an issue where the preview of Hero Abilities when resuming from a "Soul Inscription" was displaying all abilities at Lv 1. - Added "DoT Area Damage Reduction" to Familiar Enhancement Pieces. - Optimized the phenomenon where it takes time to display items when the number of items or Familiar Enhancement Pieces in Storage is large. - Improved the background of Familiar Enhancement Pieces to match the background color of their rarity. - Adjustments to item drops from Boss Monsters…
- Update 1.1.6 - 29 June 2026
- Fixed an issue where the player could not proceed to the next floor.
- Update 1.1.5 - 29 June 2026
- Optimized the procedural generation of the Labyrinth Castle. - Adjustments to the weapon skill "Fireball": Fixed an issue where the firing direction was incorrect when locked onto a target. - Added "Disable Auto-Lock on Next Target" to settings: When a locked-on enemy is defeated, the lock-on will now be canceled. - Adjustments to Lato's ability "Critical Strike": Decreased the penetration effect (Max 70% -> 50%). - Changed the calculation method for Defense Penetration: Changed from additive to multiplicative. Old: 70% penetration and 30% penetration = 100% penetration -> New: 70% penetration and 30% penetration = 79% penetration. - Adjusted the Lv of some bosses appearing in Zhuk Forest. - Fixed an issue where the Labyrinth Store Clerk could be target-locked. - Fixed an issue where switching weapons was not possible while using certain weapon skills. - Other minor fixes and improvem…
- Update 1.1.4 - 18 June 2026
- Adjusted the behavior when FPS limit and VSync are configured. Addressed an issue where the framerate became unlimited in certain PC environments, causing excessive GPU load, abnormal heating, and fan noise. - Added "Casual Mode", a story mode-exclusive difficulty that weakens enemies for players who are not good at action games. "Soul Inscription" will be shared with Safe Mode. It will no longer be displayed after clearing the story. - Fixed an issue where the drop items for Armored Gigant Bromus were not set correctly. - The accessory "Chignon cap" can now be stolen from Armored Gigant Bromus with a low probability. - Adjustments to the weapon skill "Ice Shield": Friendly attacks will now pass through the shield. - Adjustments to the weapon skill "Fireball": Fixed an issue where the firing direction was incorrect when locked onto a target. - Fixed an issue where the descriptions of…
- Update 1.1.3 - 15 June 2026
- Changes to monster parameter scaling by Lv. - Weakened the Move Speed scaling based on Lv. (Old) 1.3x -> (New) 1.15x (Old) 2.4x -> (New) 1.5x *Max 1.5x - Adjustments to monster "Crimson Lotus Doji": Weakened the recovery resumption time after being stopped by a defense debuff from 3 sec to 5 sec. - Weakened Gigant Bromus holding Lato's Relic in Zhuk Forest: Lv 20 -> 10. - Added drop items for boss monsters appearing in Zhuk Forest. - Death Knight: Drops "Lavateinn" (only individuals appearing at night). Drops "Scroll of Advancement". - Crimson Lotus Doji: Has a low chance to drop the weapon "Onimaru" (appears at night). - Gigant Bromus: Has a medium chance to drop "Scroll of Advanced Weapon Enhancement" and "Scroll of Advanced Armor Enhancement" (During the Nevia event, drops only Lato's Relic). - Fixed an issue where the accessory "Chignon cap" was difficult to obtain from drops. - A…
- Update 1.1.2 - 12 June 2026
- Adjustments to monster "Crimson Lotus Doji": Changed the recovery buff interval when HP is below 50% from 1 sec to 2 sec. - Adjustments to monsters "Crimson Lotus Doji" and "Azure Lotus Doji": Changed the recovery buff when HP is below 50% so that it will not resume for 3 seconds after a defense debuff is applied. - Fixed an issue where attack-triggered debuffs would sometimes not activate. - Adjustments to Nevia's ability "Blessing": Max level changed from 5 to 7. - Removed Lato's ability "Wall Stride" and added "Critical Strike". Effect: Grants Defense Penetration to Weapon Skills. - Improvements to the "Shield Bash attack" when equipped with a sword: Defense debuff probability changed from 50% to 100%. - Changes to monster parameter scaling by Lv. - Reduced the HP growth rate based on Lv. - Added Move Speed scaling based on Lv. - Added Attack Speed scaling for Lv 100 and above. (Ex…
- Update 1.1.1 - 11 June 2026
- Fixed an issue where multiple bodies of Rustil were displayed during conversations.
- Update 1.1.0 - 10 June 2026
- Added "Damage Text Size" to Settings. You can adjust the size of the damage values displayed. - Added the weapon "Onimaru". *Available from rare treasure chests after Floor 50, dropped by Azure Lotus Doji, or has a chance to appear in the shrine of Zhuk Forest at night. - Added the armor "Qipao". *Dropped by Seraphyrus Zenith after Floor 500. - Added color variations for the armor "Queen of the Night". *Available from treasure chests after Floor 100 or dropped by certain bosses. - Added the accessory "Chignon cap". *Dropped by Armored Gigant Bromus after Floor 300, or has a chance to appear in Survival Mode reward chests. - Improvements to Zhuk Forest: Added more monsters. Added dropped items and treasure chests in the forest. Expanded the area. - Temporarily added Necta's ability "Charm Dominate": Increases damage dealt when the Familiar's Personality is "Aggressive" (up to 3x). - Ad…
- [Notice] June 11 Daily Deal & Updates Recap! - 3 June 2026
Dear Players, thank you for always playing "Rustil"!We are excited to announce that starting June 11th, the game will be featured as a "Daily Deal" on Steam!For those who haven't played yet or have been curious about it, please take this opportunity to embark on an adventure into the Labyrinth Castle!In preparation for the Daily Deal, we will be looking back at the new update contents and the numerous updates implemented since the Early Access release (Ver 1.0.1) up to the latest Ver 1.0.20.Based on the feedback and play data from our players, the game has evolved to become dramatically easier and more enjoyable to play!--------------------------------------------------------------------------------■ Update to Ver 1.1.0 alongside the Daily Deal!--------------------------------------------------------------------------------◆Added HairstyleAdded one new long hairstyle.◆Added New Armor (C…
- Update 1.0.20 - 3 May 2026
・Added the item "Glorious Holy Wings". In Endless Exploration & Challenge Mode, when reaching Floor 1000 or higher and not possessing the "Glorious Holy Wings", the Labyrinth Castle: Central Core floor becomes a special floor where you can receive them from an NPC. ・Improved shader warmup. ・Fixed bugs related to mouse controls. ・Added a 1-second defense reduction debuff (20%) to the "Shield Bash" attack when equipped with a sword. ・Adjusted the monster "Super Assault Bit": Changed the number of heals upon appearance from 5 to 3. ・Other minor bug fixes and improvements.
- Update 1.0.19 - 20 April 2026
・Fixed a bug where Lv was sometimes not restored when starting via "Soul Inscription" from home. ・Added Tips for the "Converter", "Duplicator", and "Enhancer". ・Added a "Change All Graphics Settings" button to the graphics settings. ・Renamed "Graphics Quality" to "Shadow Quality" in the graphics settings. Added a setting to turn shadows OFF. ・Improved the controls so that "Switch Weapon" can now be buffered during a "Dodge". ・Improved the description text of some items. ・Other minor bug fixes and improvements.
- Update 1.0.18 - 13 April 2026
・Added an ON/OFF setting for Shader Warm-up in the settings. If you experience symptoms such as crashing on startup, try turning this OFF. ・Temporarily implemented a feature to display the list of abilities when selecting a starting location via "Soul Inscription" from home. ・When locking onto a monster, the lock will no longer be removed even if they go out of range. ・Adjusted the monster "Crimson Lotus Doji": Increased Defense. ・Added an ON/OFF setting for SSAO in the "Graphics" settings. Turning this OFF will disable detailed shadows, but will improve performance. ・Fixed a bug where the camera angle would change when resetting the camera in the "Normal" camera mode. ・Fixed a bug where the UI might not be displayed when changing the "Familiar Setup" within a dungeon. ・Fixed a bug where the level was not properly restored when returning from a suspended game. ・Adjusted the "HIGH DIFFIC…
