List of All Events
NEW: Learn About the 2026 Roadmap!
S1: Forbidden Catalyst | The Great Rift
★ All Banners | Upcoming Banners
☆ New Characters: Chizuru | Itsuku
✪ Upcoming Characters: Sereniel
Tier Lists Pages: Character | Partner | Cards
A list of all current events available in Chaos Zero Nightmare (CZN). Check out all event schedules, rewards, and how to participate!
List of Contents
Upcoming Events
| Event | Duration |
|---|---|
| 12/24 - 01/14 | |
| 12/24 - 01/14 | |
| 12/31 - 01/07 | |
| Permanent | |
| 01/01 - 01/14 | |
| 01/06 - 01/20 |
Memoir of the Ark Protection Bureau Chief
 |
|
| Event Duration | December 24, 2025 - January 14, 2026 |
|---|---|
Complete missions get Hunter Combatant and Partner Materials alongside Sereniel's secrets in this event.
Toward the First Light
 |
|
| Event Duration | December 24, 2025 - January 14, 2026 |
|---|---|
Meet Guests that will visit the SS Nightmare to make a wish or meet the Protos and crew in this Aether spending event to get various rewards.
Overdrive
 |
|
| Event Duration | December 31, 2025 - January 7, 2026 |
|---|---|
Earn double the amount of resources when clearing runs inside Simulations for a limited-time only.
Garden Cafe's Returnee Present
 |
|
| Event Duration | Permanent |
|---|---|
If you are a returning player and are eligible, you can get various rewards by spending Aether!
Garden Cafe's Returnee Present Event
Hello, 2026!
 |
|
| Event Duration | January 1, 2026 - January 14, 2026 |
|---|---|
Check-in for 7 days to receive a total of 10 Signal Amplification Rescue Anchors and 5 Rescue Anchors.
Rei's Gift
 |
|
| Event Duration | January 6, 2026 - January 20, 2026 |
|---|---|
Check-in for 7 days to receive a total of 10 Prism Lens that lets you pull for prismatic effects of the cards for your characters!
Ongoing Events
| Event | Duration |
|---|---|
| 11/12 - 01/14 | |
| 11/12 - 01/14 | |
| 12/03 - 12/24 | |
| Permanent |
Galactic Disaster Event
 |
|
| Event Duration | November 12, 2025 - January 14, 2026 |
|---|---|
Enter the Galactic Disaster's first Season: The Forbidden Catalyst and play through the new Laboratory 0 and Nebula Distortion.
Special Exploration Reward - Laboratory 0
 |
|
| Event Duration | November 12, 2025 - January 14, 2026 |
|---|---|
Earn extra rewards during the event on top of the usual Exploration Level rewards from Chaos areas, and collect additional Pure White Fragments!
Special Exploration Reward Event Guide
Virtual Tactical Simulation - Chizuru
 |
|
| Event Duration | December 03, 2025 - December 24, 2025 |
|---|---|
Try out Chizuru in a test run and see how she performs in battle!
See You on the Unigram
|
|
| Event Duration | Permanent |
|---|---|
Check out the new Unigram and how it works with Rei! Give Rei her favorite gifts and complete all the missions in this event to earn Prism Lenses!
Previous Events
Guardian of the Ark Event
 |
|
| Event Duration | November 12, 2025 - December 03, 2025 |
|---|---|
Approve a total of 40 policies in the Policy Office of Ark City during the event to earn Crystals, Affection and Growth Materials!
Guardian of the Ark Event Guide
Special Daily Attendance Event
|
|
| Event Duration | October 29, 2025 - November 12, 2025 |
|---|---|
Login and claim gifts daily in the in-game mail for your combatants' affinity!
Special Daily Attendance Rewards Event
Haru Trauma Code Event
|
|
| Event Duration | October 22, 2025 - November 11, 2025 |
|---|---|
Play through Haru's Trauma Code and event battles to receive a unique sticker and some Crystals!
Official Launch Celebration Comment Event
|
|
| Event Duration | October 22, 2025 - November 5, 2025 |
|---|---|
Leave a Stove comment to earn 25,000 Units!
Official Launch Celebration Comment Event
SS Nightmare Boarding Verification Event
|
|
| Event Duration | October 22, 2025 - November 5, 2025 |
|---|---|
Leave a Stove comment to earn Advanced Battle Memory x20!
SS Nightmare Boarding Verification Event
Launch Celebration Follow & RP Event
|
|
| Event Duration | October 22, 2025 - November 5, 2025 |
|---|---|
Follow and repost the Official Chaos Zero Nightmare Twitter/X account for a chance to win a 1-month discord nitro subscription!
Launch Celebration Follow & RP Event
Chaos Zero Nightmare (CZN) Related News
| Events and Game Info | ||
|---|---|---|
| List of Events | Bugs and Errors | Patch Notes |
Upcoming Events
| Memoir of the Ark Protection Bureau Chief Event | Toward the First Light Event |
| Overdrive Event | Garden Cafe's Returnee Present Event |
| Hello, 2026! Event | Rei's Gift Event |
Current Events
| Special Exploration Reward - Laboratory 0 Event | See You on the Unigram Event |
| Virtual Tactical Simulation Event | - |
Past Events
| Guardian of the Ark Event | SS Nightmare Verification Event |
| Launch Celebration Follow and RP Event | Launch Celebration Comment Event |
| Haru Trauma Code Event | Special Daily Attendance Rewards Event |
Author
List of All Events
Rankings
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