Unigram guide for Chaos Zero Nightmare (CZN). Learn what Unigram is, how to progress, Mission details, rewards, and more in CZN.
Table of Contents
What is Unigram?
Communication Content
Unigram is a feature that allows players to communicate with Combatants. Enjoy interacting with your favorite Combatants.
| Point | The first message has been implemented for all Combatants. |
Unowned Combatants Will Not Be Displayed
Unigram is a feature that only allows you to interact with Combatants you own, so unowned Combatants will not appear in the list.
Unigram Update Celebration Event
| Period | After maintenance on December 2nd ~ Ongoing |
| Requirement | Rei's Affinity Lv. 5 |
The Unigram Update Celebration Event [Let's Meet on Unigram] is now live. By clearing each mission and raising Rei's Affinity, you can view a special bond story.
Mission Details and Rewards
Greet Rei
Go to the cafe with Rei
Discuss the aroma of coffee with Rei
Enjoy coffee with Rei
Go cafe hopping with Rei
Go to your promise with ReiCan Be Accessed from the Left Side of the Home Screen
Tap the purple icon on the left side of the Home screen to go to the Unigram screen.
How to Progress Unigram
Exchange Messages
In Unigram, you can exchange messages with Combatants. Enjoy communicating with your frequently used or favorite Combatants within the world of CZN.
Unlock Special Combatant's Missions
As you progress through Unigram, you will unlock special Missions for certain Combatants. You can discover new sides to the characters and the background of the story, so be sure to advance them.
List of Implemented Characters
 Chizuru |  Yuki |  Haru |
 Rei |  Mika |  Tressa |
 Beryl |
All Combatants are Planned to Be Implemented in the Future
For Combatants whose special Missions have not yet been implemented, they will be added in the future update.
Unigram Rewards
You Can Get Crystals
In Unigram, you can get Crystals as rewards based on your progress. It's one of the ways to obtain valuable Crystals, so be sure to check for unread messages frequently.
Chaos Zero Nightmare Related Guides
Galactic Disaster Guide
Galactic News Network
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
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
