Announcements : Chaos Zero Nightmare

18hr ago

NEW

[Notice] 7/10 (Fri) Restrictions for Improper Users

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We have identified cases where accounts were created through abnormal methods, as well as repeated workshop activity using automated programs. Accordingly, based on [Article 7 of the Operation Policy], we will be applying restrictions to accounts that engaged in these violations. Please see below for more details. ■ Restrictions for Improper Users 1) Restricted Accounts: 1,233,999 cases - Multiple Accounts / Organized Abnormal Play: 1,233,996 cases - Abnormal Gameplay: 3 cases 2) Restriction Details: Permanent ban * If you wish to appeal the restrictions, please submit a 1:1 inquiry. To maintain a fair and clean gaming environment, we will continue monitoring regularly and will take strict action against any users who gain advantages through improper or unfair methods. Thank you.

19hr ago

NEW

[Notice] 07/10 (Fri) Patch Notice (Completed)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 07/10 (Fri) 07:30 ~ 08:00 UTC ■ Details - An issue where players are not rerouted to Full-Scale Offensive when selecting its banner in the menu - An issue regarding Combatants where the Combatant’s illustrations seen on their details page have abnormal colors *Affected Areas · Stats (when in a Deep Trauma state) · Potential - An issue where the card removal count increases when Desire Cards are graded/leveled up - An issue where, after enabling [Backup Protocol], the ‘God’s Hammer’ effect is applied when clearing the ‘Core of Discord’ within the Theater of Illusions - An issue where [Achievement Titles] show up in Korean when viewed on the Exploration Results screen in Sortie - An issue

08/07/2026

[Notice] 07/08 (Wed) Patch Notice (Completed)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 07/08 (Fri) 15:00 ~ 15:30 UTC ■ Details - An issue where the Rescue function cannot be accessed on newly created accounts ■ Please Note - You may experience temporary server instability while the patch is being applied. After the patch is distributed, additional data will be downloaded when you log in again. - Once the patch is downloaded, you will be able to enjoy an improved gameplay experience. - If the "Combat information has been disrupted." pop-up appears after the non-maintenance patch, please fully close and restart the game to download the updated data. We sincerely apologize for any inconvenience this may cause. We will continue to do our best to provide you with a more stable

08/07/2026

Notice

[Notice] Adjusted Content End Times Due to Maintenance Schedule

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We would like to inform you in advance that the regular maintenance schedule will change starting with the 07/29 (Wed) update. To ensure a smoother update process, the maintenance start time will be adjusted. As a result, the end times of certain content and events that were previously scheduled to run until the next update maintenance will be adjusted accordingly to reflect the new maintenance start time. ■ Update Maintenance Schedule Change - Effective Date: Starting with the 07/29 (Wed) update maintenance ㄴ Before: Starts at 01:00 UTC ㄴ After: Starts at 00:00 UTC Starting with the 07/29 (Wed) update, content that was previously available until 01:00 UTC, the original maintenance start time, will instead end at 00:00 UTC. * Example - New Character Rescue: Previously available until 01:00 UTC before maintenance → After the change, available until 00:00 UTC before maintenance. Please keep this change in mind to avoid an

08/07/2026

[Issue] Known Issues Confirmed After 07/08(Wed)

Zero Out All Despair! Hello, This is the Chaos Zero Nightmare Team The following issues have been identified. We sincerely apologize for any inconvenience they may have caused. ■ Known Issues 1. An issue where players are not rerouted to Full-Scale Offensive when selecting its banner in the menu Once again, we apologize for any inconvenience this may have caused. We will continue to do our best to provide you with a stable service. Thank you.

07/07/2026

[Maintenance] 07/08 (Wed) Update Maintenance (Completed)

Zero Out All Despair! Hello. This is the Chaos Zero Nightmare Team. We would like to inform you that the update maintenance was completed on 07/08(Wed) at 10:00 UTC. We would like to thank all Protos for their patience and understanding during the maintenance. ◈ Maintenance Compensation - Compensation: Crystal x200 (Delivered to your in-game mailbox, Storage Period: 7 Days) - Claim Period: 07/08(Wed) 10:10 – 07/09(Thu) 14:59 UTC ◈ Maintenance Extension Compensation - Compensation: Crystal x200, (Delivered to your in-game mailbox, Storage Period: 7 Days) - Claim Period: 07/08(Wed) 10:10 – 07/09(Thu) 14:59 UTC ◈ Story Rewrite Commemoration Rewards - Reward: Core of Mutation x10 (delivered to in-game mail, storage period: 7 days) - Claim Period: 07/08 (Weds) 10:10 - 07/29 (Weds) 14:59 (UTC) ◈ Story Improvement Compensation Notice - Compensation: As story Rewrite will be applied with the 7/08 update, the difference in the adjusted rewards (Challenge Currency and EXP) will be delivered to y

26/06/2026

[Notice] 06/26 (Fri) Patch Notice (Complete)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 06/26 (Fri) 13:50 ~ 14:00 UTC ■ Details - [Partner] Asteria > Incorrect Japanese voice actor name for Asteria in the Japanese language setting ■ Please Note - You may experience temporary server instability while the patch is being applied. After the patch is distributed, additional data will be downloaded when you log in again. - Once the patch is downloaded, you will be able to enjoy an improved gameplay experience. - If the "Combat information has been disrupted." pop-up appears after the non-maintenance patch, please fully close and restart the game to download the updated data. We sincerely apologize for any inconvenience this may cause. We will continue to do our best to provide y

26/06/2026

[Notice] 06/26 (Fri) Patch Notice (Complete)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 06/26 (Fri) 05:00 ~ 05:30 UTC ■ Details - An issue where some Epiphany Cards cannot be duplicated - An issue where the game will close abnormally under certain conditions ■ Please Note - You may experience temporary server instability while the patch is being applied. After the patch is distributed, additional data will be downloaded when you log in again. - Once the patch is downloaded, you will be able to enjoy an improved gameplay experience. - If the "Combat information has been disrupted." pop-up appears after the non-maintenance patch, please fully close and restart the game to download the updated data. We sincerely apologize for any inconvenience this may cause. We will continue

22/06/2026

[Notice] 06/22 (Mon) Patch Notice (Complete)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 06/22 (Mon) 12:40 ~ 13:10 UTC ■ Details - An issue involving Sereniel’s Shining Core - Epiphany # 2, where the increase to the Exhaust of the Homing Laser Ls created through this Epiphany are not being applied - An issue where the Cost reduction effect of the cards created through the Fate, ‘Limitless Proliferation,’ effect are not being applied - An issue where an error popup is displayed when trying to use an Ego Skill while Tenebria’s animations for her Opener card is playing - An issue in Sortie where the Harmonization: Spirit Kefox card’s Retrieve application function is not being applied to cards that already have Retrieve applied to them - An issue in Narja’s Trauma Code # 5 wher

22/06/2026

[Notice] Adjustments to Ego Manifestation Exclusive Card Effects

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team An adjustment regarding certain effects involving the creation of exclusive cards found in Combatants’ Ego Manifestation effects is planned for this coming non-maintenance patch. Currently, it has been confirmed that these exclusive cards that come from Ego Manifestations are restricting strategic gameplay in certain content—such as the Great Rift—in ways that was not originally intended. Accordingly, we have planned the following adjustments to provide our Protos with a smoother combat experience. We are currently in the process of making these changes, and will implement the changes as soon as we can confirm the appropriate application date. We kindly ask for the understanding and patience of all Protos during this process. ■ Affected Changes Combatants who have Ego Manifestation effects involving the creation of exclusive cards ■ Change Details Exclusive cards that are created only through that Combatant’s Ego Manife

19/06/2026

[Notice] 6/19 (Fri) Restrictions for Improper Users

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We have identified cases where accounts were created through abnormal methods, as well as repeated workshop activity using automated programs. Accordingly, based on [Article 7 of the Operation Policy], we will be applying restrictions to accounts that engaged in these violations. Please see below for more details. ■ Restrictions for Improper Users 1) Restricted Accounts: 2,463,469 cases -Multiple Accounts / Organized Abnormal Play: 2,459,629 cases - Abnormal Gameplay: 3,840cases 2) Restriction Details: Permanent ban * If you wish to appeal the restrictions, please submit a 1:1 inquiry. To maintain a fair and clean gaming environment, we will continue monitoring regularly and will take strict action against any users who gain advantages through improper or unfair methods. Thank you.

17/06/2026

[Notice] 06/17 (Wed) Patch Notice (Complete)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 06/17 (Wed) 17:00 ~ 17:30 UTC ■ Details - An issue where certain tutorial lines for Melody at the Highest Peak are repeating - An issue where the animations during the “Woman Within the Fog” Great Rift Boss battle will occasionally skip at the end of the phase, and the following animations will not play - An intermittent issue where the status of some unlocked nodes in Story are being displayed abnormally - An issue where the tutorial for Melody at the Highest Peak will freeze when the Skip button is tapped repeatedly during the Opening Story chapter - An issue where certain Rhythm cards are unselectable when using Tenebria’s Spotlight card to select cards from the Graveyard - An issue

17/06/2026

[Notice] Planned Changes for Great Rift Amp. Effects

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team The following changes are planned to be made to some of the amplification effects that were introduced to the Great Rift in today's update. The decision to enact these changes were made due to unintended interactions between the effects and certain Combatant cards. The adjustments are currently being worked on and we will inform you at the soonest time available what and when these changes will happen. We ask for your understanding with this matter. ■ Affected Areas - Great Rift > Amplify Effects ■ Changed Details • [Before] For the Rearguard, when a base 3-Cost or higher card is activated, applies 1 Safeguard to the Boss Monster. • [After] For the Rearguard, when a base 3-Cost or higher Quietus card is activated, applies 1 Safeguard to the Boss Monster. We sincerely apologize for the confusion and inconveniences this will be causing, and we will do our best to provide improved services. Thank you.

17/06/2026

[Notice] Game Access & Unintended Account Creation During Maintenance

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team Following the maintenance that began at 1:00 (UTC) today, an issue occurred where some users were able to access the game and new accounts were inadvertently created. We would like to inform you that the issue has since been resolved as of 2:05 (UTC) . Once the maintenance is complete, those affected will be able to return to their original accounts when logging back into the game. We apologize for the inconvenience this issue may have caused. If issues persist even after the maintenance, please contact us through Customer Service. Thank you.

16/06/2026

[Maintenance] 06/17 (Wed) Update Maintenance (Completed)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We would like to inform you that the update maintenance was completed on 06/17(Wed) at 07:00 UTC. We would like to thank all Protos for their patience and understanding during the maintenance. ◈ Maintenance Compensation - Compensation: Crystal x200 (Delivered to your in-game mailbox, Storage Period: 7 Days) - Claim Period: 06/17(Wed) after the maintenance – 06/18(Thu) 14:59 UTC ◈ Maintenance Extension Compensation - Compensation: Crystal x50, (Delivered to your in-game mailbox, Storage Period: 7 Days) - Claim Period: 06/17(Wed) after the maintenance – 06/18(Thu) 14:59 UTC Please update Chaos Zero Nightmare to the latest version for a more stable game service. * If the update does not appear in your store, please see below! ◈ How to Update [iOS] 1) Search for [Chaos Zero Nightmare] in the App Store, then download and install the update. 2) If the latest update does not display in the App Store, restart your device and ch

10/06/2026

[Notice] 06/10 (Wed) Patch Notice (Complete)

Zero Out All Despair! Hello, this is the Chaos Zero Nightmare Team We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 06/10 (Wed) 5:30 ~ 6:00 UTC ■ Details - An issue where, upon entering the Great Rift, players are unable to use 2-Cost Ego Skills even though they have 2 EP, and even after they use their Ego Skill, the remaining EP gauge does not refresh - An issue where equipment engravings sometimes disappear when surpassing the Save Data limit ※ We sincerely apologize for this issue. If this issue affected you between the April 8, 2026 maintenance to the June 9, 2026 data patch, please contact us through Customer Service for restoration inquiries. We will review submitted inquiries and process them sequentially. We will continue striving to provide a more stable service. Thank you. - An intermittent

05/06/2026

[Notice] 06/05 (Fri) Patch Notice (Complete)

Zero Out All Despair! Hello. This is the Chaos Zero Nightmare team. We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 06/05 (Fri) 7:30 ~ 8:00 UTC ■ Details - An issue where an Engraving effect is applied incorrectly - An issue where the Bind stack count for Chizuru’s ‘Shadow of the Moon’ card is not being reflected accurately - An issue where animations and the score tally appears abnormally when using the ‘Blooming Love’ card’s effect to discard Bullet cards with Blessing applied to them ■ Please Note - You may experience temporary server instability while the patch is being applied. After the patch is distributed, additional data will be downloaded when you log in again. - Once the patch is downloaded, you will be able to enjoy an improved gameplay experience. - If the “Combat information has been d

05/06/2026

[Notice] Response and Compensation Regarding the Engraving Application Issue

Zero Out All Despair! Hello. This is theChaos Zero Nightmare Team. We sincerely apologize for the inconvenience caused by the issue where the Persona equipment Engraving effect was applied differently from its description. This issue is planned to be addressed today through a hotfix, and we would like to go over our follow-up measures in relation to this matter below. ■ Follow-up Measures - Those who achieved a place in the Rankings using the aforementioned method will be removed from the Master Rank We would also like to apologize for the inconvenience caused and will be providing compensation as detailed below. Please claim the compensation within the specified period. ■ Notice Regarding the Compensation for the Engraving Effect Application Issue - Compensation: 3 Abyssal Core, 5 Time-Limited Command Delegation Module - 14 Days (Delivered to your in-game mailbox, Storage Period: 7 Days) - Eligibility: All Protos - Claim Period: 06/05/2026 – 2026/06/11/2026 14:59 (UTC +0) Once again,

05/06/2026

+1

[Notice] Regarding an Engraving Effect Application Issue

Zero Out All Despair! Hello. This is theChaos Zero Nightmare Team. An issue regarding the following Engraving effect has been confirmed to be working differently from what was intended: When an ally Haste card is activated, increase Damage Amount of the next Attack Card of this unit used by 25% (1 time per turn). We are currently investigating the cause of the issue and implementing a fix. Once resolved, the correction will be applied as soon as possible within the day. We will share more details on how we plan to address the issue once everything has been confirmed. We sincerely apologize for the inconvenience this has caused, and will do our utmost to ensure stable service. Thank you.

02/06/2026

[Maintenance] 06/02 (Tue) Patch Notice (Complete)

Zero Out All Despair! Hello. This is theChaos Zero Nightmare Team. We would like to inform you that the temporary maintenance was completed on 6/2 (Tue) at 14:00 UTC. We would like to thank all Protos for their patience and understanding during the maintenance. ■ Maintenance Compensation - Compensation: Crystal x100, Tear of God x1 (Delivered to your in-game mailbox, Storage Period: 7 Days) - Claim Period: 6/2 (Tue) after the maintenance – 6/3 (Wed) 14:59 UTC We will continue to do our best to provide a more stable gameplay environment. Thank you. We would like to inform you that Chaos Zero Nightmare will undergo temporary maintenance. Please find more details below. ■Maintenance Schedule - 06/02 (Tue) 12:00 ~ 14:00 UTC ■ Maintenance Details - An issue where the game is forcefully closed when dying to Golden Mane’s skill, ‘Natural Causality,’ in Full-Scale Offensive - An issue where the [Fixed Damage] effect was incorrectly displayed as [Recover] for several equipment in Sortie - An is

01/06/2026

[Notice] 06/01(Mon) Recommended Update (iOS)

Zero Out All Despair! Hello. This is theChaos Zero Nightmare Team. An iOS app update has been released for server stabilization. Players can still access the game without updating, but we strongly recommend downloading the latest version from the App Store to apply these fixes. ■ Recommended Update Schedule - 06/01(Mon) 02:40 UTC ■ Details - An issue where the game would sometimes close has been fixed ■ How to Update (v1.0.289) [iOS] 1) Search for [Chaos Zero Nightmare] in the App Store, then download and install the update. 2) If the latest update does not display in your App Store, restart your device and check again. We will continue to do our best to provide you with a more stable game environment. Thank you.

28/05/2026

[Notice] 05/28 (Thu) Patch Notice (Complete)

Zero Out All Despair! Hello. This is the Chaos Zero Nightmare team. We will be carrying out a patch to fix issues identified in the game. Please note that some temporary server instability may occur during this time, and we appreciate your understanding. Please find more details below. ■ Patch Schedule - 05/28 (Thu) 14:00 ~ 14:30 UTC ■ Details - An issue where some cards disappeared after Breakdown while fighting the Punisher of Resentment in Great Rift - An issue where Agent details of trial Combatants are visible when certain trial Combatants are placed on the team in Trauma Code - An intermittent issue where battles did not continue when reconnecting to the game after closing the game mid-battle - An issue where the card cost of ‘Effulgent Compression’ is not refreshing when it changes into ‘Effulgent Release’ - An issue where animations involving Senectus’s invasion and monsters being defeated are not playing properly when in Command Delegation Mode - An issue where Protos cannot p

28/05/2026

[Notice] Addressing New Account Generation Post Android Update

Zero Out All Despair! Hello. This is theChaos Zero Nightmare Team. A situation occurred starting 09:00 UTC today after the recommended Android update that caused new accounts to be created for several existing accounts. This issue was resolved as of 09:56 UTC. Those affected will be able to access their original accounts normally after relaunching the game. We sincerely apologize for the inconveniences that this situation would have caused. If the issue has not been resolved for you and you are still experiencing difficulties accessing your original account, please contact us through Customer Services. Thank you.

28/05/2026

[Notice] 05/28 (Thu) Recommended Update (Android)

Zero Out All Despair! Hello. This is theChaos Zero Nightmare Team. An Android app update has been released for server stabilization. Players can still access the game without updating, but we strongly recommend downloading the latest version from the Google Play to apply these fixes. ■ Recommended Update Schedule - 05/28 (Thu) 9:00 UTC ■ Details - An issue where the game would sometimes close has been fixed ■ How to Update (v1.0.288) [Android] 1) Go to [Google Play Store > tap the profile icon at the top of the screen > Manage apps & device] and tap the update button next to [Chaos Zero Nightmare]. 2) If the latest update does not display in your Google Play Store, go to [Apps > Google Play Store > Storage > Clear cache],reopen the Google Play Store, and tap the update button next to [Chaos Zero Nightmare]. 3) Search for [Chaos Zero Nightmare] directly in the Google Play Store and tap the update button. ※ If you are experiencing issues downloading the patch files on an Android (AOS) de

[Notice] Adjusted Content End Times Due to Maintenance Schedule

Fei / Ruixiang Rate Up Rescue [3]

[Event] Ruixiang Quiz Event [167]

[Notice] 7/10 (Fri) Restrictions for Improper Users

[Notice] 07/10 (Fri) Patch Notice (Completed)

[Notice] 07/08 (Wed) Patch Notice (Completed)

[Notice] Adjusted Content End Times Due to Maintenance Schedule

[Issue] Known Issues Confirmed After 07/08(Wed)

[Maintenance] 07/08 (Wed) Update Maintenance (Completed)

[Notice] 06/26 (Fri) Patch Notice (Complete)

[Notice] 06/26 (Fri) Patch Notice (Complete)

[Notice] 06/22 (Mon) Patch Notice (Complete)

[Notice] Adjustments to Ego Manifestation Exclusive Card Effects

[Notice] 6/19 (Fri) Restrictions for Improper Users

[Notice] 06/17 (Wed) Patch Notice (Complete)

[Notice] Planned Changes for Great Rift Amp. Effects

[Notice] Game Access & Unintended Account Creation During Maintenance

[Maintenance] 06/17 (Wed) Update Maintenance (Completed)

[Notice] 06/10 (Wed) Patch Notice (Complete)

[Notice] 06/05 (Fri) Patch Notice (Complete)

[Notice] Response and Compensation Regarding the Engraving Application Issue

[Notice] Regarding an Engraving Effect Application Issue

[Maintenance] 06/02 (Tue) Patch Notice (Complete)

[Notice] 06/01(Mon) Recommended Update (iOS)

[Notice] 05/28 (Thu) Patch Notice (Complete)

[Notice] Addressing New Account Generation Post Android Update

[Notice] 05/28 (Thu) Recommended Update (Android)

[Notice] Adjusted Content End Times Due to Maintenance Schedule

Fei / Ruixiang Rate Up Rescue [3] 이미지

[Event] Ruixiang Quiz Event [167] 이미지

[Notice] 7/10 (Fri) Restrictions for Improper Users

[Notice] 07/10 (Fri) Patch Notice (Completed)

[Notice] 07/08 (Wed) Patch Notice (Completed)

[Notice] Adjusted Content End Times Due to Maintenance Schedule

[Issue] Known Issues Confirmed After 07/08(Wed)

[Maintenance] 07/08 (Wed) Update Maintenance (Completed)

[Notice] 06/26 (Fri) Patch Notice (Complete)

[Notice] 06/26 (Fri) Patch Notice (Complete)

[Notice] 06/22 (Mon) Patch Notice (Complete)

[Notice] Adjustments to Ego Manifestation Exclusive Card Effects

[Notice] 6/19 (Fri) Restrictions for Improper Users

[Notice] 06/17 (Wed) Patch Notice (Complete)

[Notice] Planned Changes for Great Rift Amp. Effects

[Notice] Game Access & Unintended Account Creation During Maintenance

[Maintenance] 06/17 (Wed) Update Maintenance (Completed)

[Notice] 06/10 (Wed) Patch Notice (Complete)

[Notice] 06/05 (Fri) Patch Notice (Complete)

[Notice] Response and Compensation Regarding the Engraving Application Issue

[Notice] Regarding an Engraving Effect Application Issue 이미지

[Maintenance] 06/02 (Tue) Patch Notice (Complete)

[Notice] 06/01(Mon) Recommended Update (iOS)

[Notice] 05/28 (Thu) Patch Notice (Complete)

[Notice] Addressing New Account Generation Post Android Update

[Notice] 05/28 (Thu) Recommended Update (Android)

Fei / Ruixiang Rate Up Rescue [3]

[Event] Ruixiang Quiz Event [167]

[Notice] Regarding an Engraving Effect Application Issue