Latest Events - All Current & Upcoming Schedule

Events list in Chaos Zero Nightmare (CZN). See all December 2025 latest current and on-going events, upcoming banner, calendar schedule, how to participate, rewards, tips and more.

Chaos Zero Nightmare Latest Events

Current Events List

Event	Details
Chasing the Star's Trajectory	[Event Period] 12/03/2025 - 1/14/2026 until the maintenance [Rewards] Unit Sweet Choconilla Tear of God Universal Certificates Potential Disk Rescue Anchor Prism Lens Signal Amplification Anchor
Virtual Tactical Simulation	[Event Period] 12/03/2025 – 12/24/2025 (UTC +0) [Rewards] Crystals Advanced Battle Memory Advanced Psionic Manual
See you on the Unigram	[Event Period] Permanent [Rewards] Crystals Cute Rabbit Doll Locket Necklace of Memories A Not So Boring Wait Heartfelt Guitar Pick Prism Lens
Galactic Disaster Forbidden Catalysts	[Event Period] 11/12/2025 – 01/13/2026 17:59 (UTC +0) [Rewards] Crystals Omega Code Undetermined Ego Crystal Multidimensional Alignment Material Prism Lens Wing Step A-50 Mysterious Encyclopedia Perfect Spray Gun Traces of Memory Core of Memory Particles of Memory
Special Exploration Reward - Laboratory 0	[Event Period] 11/12/2025 – 01/13/2026 17:59 (UTC +0) [Rewards] Pure White Fragment
The Path of a Captain	[Event Period] Permanent [Rewards] Rescue Anchor Signal Amplification Anchor
Basin of Hyperspace - Dimensional Dusk	[Event Period] 11/12/2025 – 12/03/2025 (UTC +0) [Rewards] Zeronium Crystals
Zero System	[Event Period] 10/22/25 - 01/08/26 (UTC +0) [Rewards] Zeronium Crystals
Rei's Gift	[Event Period] 11/25/2025 18:00 – 12/09/2025 17:59 (UTC +0) [Rewards] Prism Lens
Rookie Captain Mission	[Event Period] Permanent [Rewards] Beryl Universal Tactical Certificate Rosaria Universal Support Certificate Potential Disk
Journey of Healing: Rei	[Event Period] Permanent [Rewards] Rei

Chaos Zero Nightmare Current Event Details

Chasing the Star's Trajectory

Chasing the Star's Trajectory is a new event; players can get a reward from checking in.

Virtual Tactical Simulation

Play virtual battle simulations with trial combatants and progress through guide missions to complete the Virtual Tactical Simulation. Rewards can only be claimed once.

Chizuru Rating and Recommended Build

See You on the Unigram

Clear each mission and increase Rei’s Affinity to unlock a special Bond Story.

Unigram Guide

Special Exploration Reward - Laboratory 0

Explore the Chaos found in Galactic Disaster and upgrade your Exploration Archive Level. You can obtain various rewards during the event period according to the Exploration Level achieved.

The Path of a Captain

You can claim event rewards upon reaching the designated Captain Level (Account Level). Build your expertise as an elite Captain and earn generous rewards!

How to Raise Captain Grade

Basin of Hyperspace - Dimensional Dusk

The Basin of Hyperspace is a fragmented spacetime where shards of discord from the Zero System’s virtual realms temporarily dwell. Explore the Dimensional Dusk to collect Artifacts of Hyperspace, Zeronium, and Crystals, which can be spent at the Zeronium Shop based on your progress.

Zero System

The Zero System is a human-created tool designed to fight Chaos, unlocked at level 40 in the Chaos lobby. Use the Codex to locate singularity coordinates, enter unique spacetime Chaos, and obtain items through the Zero System.

Zero System

Rei's Gift

Rei has prepared 7 days of gifts for all Protos! Log in every day to receive Prism Lens that lets you capture shining moments!

Prism Modules

Rookie Captain Mission

Take on Rookie Captain missions to unlock agents and gather growth materials. Each mission can be completed only once, so claim your rewards as you go!

Beryl Rating and Recommended Build

Journey of Healing: Rei

Once you unlock Ark City and restore Rei's heart, you will have the opportunity to recruit the combatant Rei. Complete the required story events and missions to officially add Rei to your roster and unlock her unique abilities for battle.

Rei Rating and Recommended Build

Chaos Zero Nightmare How To Check Events

In the main lobby, select the Calendar icon. This will open the Events menu where you can view current and upcoming events, including limited-time and permanent events.

Can Also Be Opened at the Menu

You can also open it from the navigation menu by tapping the three horizontal lines at the top corner of the screen.

Latest Updates and Maintenance Schedule

Chaos Zero Nightmare Related Guides

Galactic Disaster Season

Galactic Disaster	S1 Forbidden Catalyst
The Great Rift	Nebula Distortion

Beginner Tips

Early Game Guide	Daily Tasks
Recommended Gacha Banner	Ark City Guide
Card Epiphany Activation	How to Use Ego Skill
Stress Management	Weakness Attribute Guide
Safe Zone Guide	How to Restore Aether
How to Raise Captain Grade	ID Card Settings
Battle Pass (Arkhianon Supply) Guide & Should You Buy?	Simulation Guide
Twin Star's Shadow Guide	How to Download & Sync Data
Deep Trauma Guide	Latest Updates
Intermediate Captain Promotion Guide	Unigram Guide

Character Enhancement Guides

Character Enhancement Guide	How to Set and Upgrade Partner
How to Upgrade Potential	How to Use Save Data
How to Upgrade Manifest Ego	Memory Fragments
Prism Modules	Daily Reset Time
Zero System	Counseling Guide
Omega Codes	Redeem Codes