Latest updates and maintenance schedule for November 2025 in Chaos Zero Nightmare (CZN). See patch notes details, release dates, server maintenance notice, and event announcements.
November 5, 2025 12:00 AM – 12:40 AM (Completed) *The maintenance is now over
Maintenance Compensation
200 Crystals (Distributed via mailbox, Storage Period: 7 days)
Claim Period: After maintenance on November 5 until November 6, 2025 11:59 PM
Maintenance Details
Fixed bugs found in the game. Fixed an issue where Save Data is applied abnormally.
November 1 Temporary Maintenance
Maintenance Schedule
November 1, 2025 5:40 PM – 6:10 PM
Maintenance Extension Compensation
200 Crystals (Distributed via mailbox, Storage Period: 7 days)
Claim Period: After maintenance on November 1 until November 2, 2025 11:59 PM
Maintenance Details
In-game error fixes.
An issue has been identified where, after completing Trauma Code, star rewards could be obtained multiple times under certain circumstances.
October 30 Patch Notice
Patch Schedule
October 30, 2025 3:00 PM – 3:51 PM
Patch Details
Enhanced the description text for Normal Combatant Rescue Merit Rewards.
Enhanced the description text for the first-purchase benefits of items under [Shop] - [Purchase Crystals].
Fixed an issue where Foretold Ruin did not appear when performing a level 5 merge in [Codex].
Fixed an issue where Stress values gained during Invasion Battles were applied abnormally.
Fixed an issue where using a Breakdown Card allowed players to preview in advance whether they could overcome the breakdown.
An issue where "Win the battle within N turns" in Basin of Hyperspace cannot be completed occasionally.
An issue where some of Renoa's Ego Manifestation Lv. 2 effects are not applied properly.
Fixed an issue where extra attacks did not trigger after the turn ended when multiple "Dirge Bullet: Finale" cards were present.
Fixed an issue where using a Breakdown Card allowed players to preview in advance whether they could overcome the breakdown.
October 29 Patch Notice
Patch Schedule
October 29, 2025 3:00 PM – 3:30 PM
Patch Details
Removed the 24-hour grace period previously applied to account deletion. → After the patch, account deletion will take effect immediately without a grace period.
October 29 Patch Notice
Maintenance Schedule
October 29, 2025 12:25 AM
Patch Details
Fixed an issue where multiple Epiphany cards could be obtained at the start of a Chaos run, after exiting the previous run abnormally.
October 24 Patch Notice
Patch Schedule
October 24, 2025 2:00 PM – 2:10 PM
Patch Details
An issue in the game is fixed (Korean text adjustments).
Compensation Distribution
Reward: 100 Crystals *Delivered to your in-game mailbox
Storage Period: 7 Days
Claim Period: October 24, 2025 2:30 PM – October 25, 2025 11:59 PM
October 24 Temporary Maintenance
Maintenance Schedule
October 24 2:00 AM – 7:00 AM (Extended by 1 hour) *The maintenance is now over
Maintenance Extension Compensation
160 Crystals (Distributed via mailbox, Storage Period: 7 days)
Claim Period: From the end of maintenance on October 24 until October 25 23:59
Maintenance Details
Payment error issue response for missing items follow-up measures.
Fixed an issue where Mental Breakdown animation does not appear in certain battle situations.
Fixed an issue where monster animations may occasionally not display correctly when using Veronica’s EP skill.
Fixed an issue where the timer in “Policy Office: Policy Recruitment in progress” does not display correctly.
Fixed an issue where when using Haru’s multiple Anchor Shots, usage count within the card does not display.
Fixed an issue where the amount of Aether does not appear correctly in the Chaos Loot popup after clearing Chaos Manifestation.
Fixed an issue where the N badge from the Trauma Code banner remains visible even after checking the content.
Fixed an issue where in Unidentified Area, an error message may appear when acquiring equipment already owned.
Deleting penalty where the player loses Save Data when escaping Nightmare Mode
October 23 Patch Notice
Maintenance Schedule
October 23 2:40 AM – 3:30 AM *Maintenance has ended
Patch Details
Fixed a bug where the game would not progress when reconnecting to the corresponding chapter after clearing the Tutorial → [Eye of the Storm].
PC Client: Fixed a bug that caused the game to freeze when quickly and repeatedly selecting "Claim All" for Achievement rewards.
Fixed some display issues.
Changed some of the blocked word settings.
Fixed a bug where Partner images were not displaying correctly on some devices.
Added an example to the informational text within the Rescue rates to better explain the Rescue system.
Fixed a bug where Haru's Anchor Shot would not be used under certain conditions during auto-battle.
Save Data Decoration: Fixed an issue where "Favorite Customization" settings appeared to have been reset.
Fixed an issue where the game would not progress if an enemy was defeated with an Extra Attack to end the battle in a Battle Mission.
Fixed an issue where the game could not progress after a battle failure when using a trial unit formation.
Alkianon Supply: Fixed an issue where the number of owned Crystals was not immediately reflected on the settings screen after purchasing Zero Data.
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