Chaos Zero Nightmare

News

02/12/2025

Notice

12/03 (Wed) Update (Added on 12/03 3:03)

Zero Out All Despair! Hello, This is theChaos Zero Nightmare Team Let’s take a look at what’s coming in the 12/03 (Wed) update. The details will also be available in-game after the maintenance. Please see below for more details. ■ Additional bug fixes ■ Galactic Disaster Season 1: Forbidden Catalyst Chapter 2 Galactic Disaster: The second chapter of Forbidden Catalyst begins. 1. New Story - Galactic Disaster Story Chapter 2: [Seals and Forbidden] will become available. - Open Schedule: 12/03/2025 after the maintenance - Unlock Condition: Clear Chapter 1 Episode 9 “Joint Investigation Begins” 2. The Great Rift - [The Great Rift] begins, where you confront the source of the disaster that has emerged from the massive rift near Laboratory 0. - Build your own ultimate deck and challenge the Great Rift to achieve the highest score. * The Great Rift can only be challenged using either Basic Save Data or The Forbidden Catalyst Season Save Data. 1) Open Schedule • The Great Rift - First Half: 1

02/12/2025

[Maintenance] 12/03 (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 12/3(Wed) at 07:00 UTC. We would like to thank all Protos for their patience and understanding during the maintenance. ◈ Maintenance Compensation - Compensation: Crystal x250 (Delivered to your in-game mailbox, Storage Period: 7 Days) - Claim Period: 12/3(Wed) after the maintenance – 12/4(Thu) 14:59 UTC ◈ Distribution of Reward Adjustments for Battle Mission Chapter   - Reward: The difference between the previous rewards and the newly adjusted rewards (delivered to your in-game mailbox)  - Eligibility: All Protos who cleared the applicable Battle Mission Chapter 6 stages before the December 3 update maintenance  - Claim Period: December 3 (Wed) after the maintenance   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) Sea

02/12/2025

03/12/2025

Notice

[Issue] Known Issues Confirmed After 12/03 (Partially Resolved on 12/8 8:30)

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 the Memory Fragment upgrade tutorial cannot be progressed for some time when accessed via Storage. → The issue has since been resolved with the recent patch. 03 Dec, 16:40 UTC 2 [AOS] An issue where the app intermittently crashes on certain Android devices. → The issue has since been resolved with the recent patch. 03 Dec, 16:40 UTC 3. An issue where damage is shown as 0 when Combatant Yuki/Lucas defeats a monster with consecutive-attack cards. → The issue has since been resolved with the recent patch. 03 Dec, 16:40 UTC 4. An issue where Chizuru → Tsukuyomi card effects are incorrectly applied to other Combatants. → The issue has since been resolved with the recent patch. 03 Dec, 16:40 UTC 5. An issue where increased Stress is not displayed during Invasion Battles. → The issue ha

03/12/2025

02/12/2025

◤Update Celebration Login Rewards!◢ [14]

Zero Out All Despair! Hello. This is theChaos Zero Nightmare Team. To celebrate the new update for Chaos Zero Nightmare, special login rewards are being sent to all Protos! 🎁Rewards: 500 Crystals ⏰Distribution Period: 12/02/2025 – 12/09/2025 14:59 UTC (Stored for 7 days, claim from your in-game Mailbox) * Please Note - Rewards can be claimed only once per account. - Reward mail will be permanently deleted once the storage period expires and cannot be restored. Please make sure to claim it within the specified period. Please look forward to the update!

02/12/2025

Announcements

08/12/2025

[Maintenance] 12/08(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 - 12/08(Mon) 16:00 ~16:30 16:22 UTC ※ It will be applied sequentially within the specified timeframe. ■ Details - An issue where progression may become impossible after a stage ends 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 inconvenie

08/12/2025

[Maintenance] 12/08(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 - 12/08(Mon) 08:00 ~08:30 UTC ※ It will be applied sequentially within the specified timeframe. ■ Details - Server Stability - An issue in the game will be fixed. ㄴ An issue where, under certain conditions, triggering Cassius’s Joker skill via Chizuru’s Bound At Dusk Epiphany effect prevents further game progression. ㄴ An issue where, in certain circumstances during Wave Battles, the game cannot proceed after a card selection skill triggers at the beginning of combat. ㄴ An issue where the increased Save Data cap (Faint Memory) during battle is not immediately reflected in the Combatant’s in-game details. ■ Please Note - You may experience temporary server instability while the patch is b

08/12/2025

05/12/2025

[Maintenance] 12/05(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 - 12/05(Fri) 15:00 ~ 15:30 15:27 UTC ※ It will be applied sequentially within the specified timeframe. ■ Details - An issue in the game will be fixed. ㄴ An issue where, in the Great Rift content, the score appears to remain unchanged after using "Undo the last action." ㄴ An issue where monsters' action prediction icons are not displayed after using "Undo the last action." ■ 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 disr

05/12/2025

[Maintenance] 12/05(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 - 12/05(Fri) 09:40 ~ 10:10 10:04 UTC ※ It will be applied sequentially within the specified timeframe. ■ Patch Information - iOS/Android: The patch will be applied automatically upon reconnecting; no separate app update is required. - PC Client: An app update is required. ㄴ In the STOVE client, click the “Update” button to automatically download the patch data. ■ Details - Server Stability - An issue in the game will be fixed. ㄴAn issue where an error popup appears when entering the Great Rift while holding more Memory Fragments than the maximum capacity. ㄴAn issue where clearing the Memory Fragments Simulation “Flames and the Orb” does not count toward the Growth Guide activity "Clear M

05/12/2025

[Notice] 12/05 (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: 2,891,725 cases -Multiple Accounts / Organized Abnormal Play: 2,891,725cases 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.

05/12/2025

[Notice] 12/5 (Fri) Notice Regarding Restriction on Bot Farm Related Accounts

Zero Out All Despair! Hello. This is the Chaos Zero Nightmare Team. We would like to inform all Protos about actions related to bot farming and account trading. Recently, there has been an increase in abnormal gameplay and bot farming activities using automation programs. To protect a fair and stable gameplay environment, we have strengthened monitoring and restrictions against accounts involved in such activities. Please be aware that involvement in these behaviors may result in penalties, including account restrictions. 🔒 Account trading is not safe. - Your personal information may be exposed, and any misconduct committed by the previous user may be carried over to your account, resulting in penalties. 🚫 Prohibited Activities - Automated play, proxy play, and all forms of bot farming activity - All account transactions, including selling, purchasing, transferring, or sharing accounts We will continue to do our best to maintain a fair and enjoyable gameplay experience. These measures

05/12/2025

GM Notes

02/12/2025

◤Update Celebration Login Rewards!◢ [14]

02/12/2025

25/11/2025

◤Official Launch+30 Days Celebration Artwork Reveal ◢ [8]

Zero Out All Despair! Hello. GM Renoa here. To celebrate our 30th day of service since the official launch, a special congratulatory artwork created in collaboration with artist SENA 8ito has arrived! Thank you to all the Protos who joined us! Thank you.

25/11/2025

◤Celebrating 30 Days Since Official Launch! Infographic Reveal◢ [18]

Zero Out All Despair! Hello. GM Renoa here. Thank you, Protos, for sharing these meaningful 30 days with us. Let's continue building Chaos Zero Nightmare together! Thank you.

25/11/2025

21/11/2025

Official Launch D+30 Thank-You Message & Special Gifts! [52]

Zero Out All Despair! Hello. GM Renoa here. Today marks the 30th day since we officially launched Chaos Zero Nightmare! To all Protos who continue to protect the SS Nightmare, we extend our sincerest gratitude. We promise to continue doing our very best to repay the love and support you have given us. With our full appreciation, please enjoy this surprise gift we’ve prepared! [Official Launch D+30 Gift] ■ Reward Items: 1,000 Crystals ■ Claim Period: 11/20/2025 – 11/27/2025 14:59 (UTC+0) ■ Mailbox Storage Period: 7 days from the date of delivery * Please Note - Rewards can be claimed only once per account. - Reward mail will be permanently deleted once the storage period expires and cannot be restored. Please make sure to claim it within the specified period. We hope you continue to enjoy and support Chaos Zero Nightmare! Thank you.

21/11/2025

Agent Info

03/12/2025

◤The boatman of the Lightless Lake「Itsuku」◢

A boatman in an age of time and space where no boats remain... Introducing the Psionic Partner, 「Itsuku」, an exile from the fiercely competitive Peltion society.

03/12/2025