Chaos Zero Nightmare Codes (October 2026)

Chaos Zero Nightmare

iOS & Android · by Smilegate, Inc. · Games / Roleplaying

⭐ 4.9 (15.4K)🛠 Updated October 22, 2026

▶ Play on iOS

Chaos Zero Nightmare (CZN) is a Smilegate roguelike RPG for mobile and PC. Coupon codes give Crystals, Tears of God and upgrade materials, and the first-anniversary events have just added several new ones.

Newest code: HAPPY1YEARCZN → 5 Tears of God. Redeem all 6 working codes below before they expire.

All Working Chaos Zero Nightmare Codes

Tried a code? Tap Works, Expired or Invalid next to it. Your report helps everyone see which codes still work. Codes are case-sensitive, so use the Copy button.
2 SOURCES how many sites list the code · 1 SOURCE seen in one place so far · ✓ PLAYERS players say it works · REPORTED EXPIRED most reports say it stopped working

Expired Chaos Zero Nightmare Codes

How to Redeem Codes in Chaos Zero Nightmare

1. Finish the tutorial until you reach the Lobby and clear the next story prompt (Chapter 1, Episode 4).
2. Open the top-right menu and choose Settings.
3. Select Account Settings at the bottom.
4. Tap Register Coupon, enter the code and confirm.
5. Collect rewards from the in-game mailbox within 30 days.

Official Chaos Zero Nightmare redeem page ↗

Why Is My Chaos Zero Nightmare Code Not Working?

• iOS players cannot use the in-game coupon button and should use the official STOVE coupon page.
• Codes are case-sensitive and have end dates: HAPPY1YEARCZN ends Nov 11 (14:59 UTC), 10211STANNIVERSARY Nov 19, NIGHTMARECARNIVAL Nov 9, the CZNNEWPDGIFT codes Nov 30.
• Beware of old lists that show expired codes from 2025 or early 2026.

What Do Chaos Zero Nightmare Codes Give You?

Coupons give Crystals for gacha pulls, Tears of God, Signal Amplification Anchors and other upgrade items.

How to Get New Chaos Zero Nightmare Codes

The official CZN X account (@CZN_Official_EN), Discord and STOVE announcements. Play it on iOS & Android.

About Chaos Zero Nightmare

Zero Out All Despair
Smilegate's new title, "Chaos Zero Nightmare," is now open!
Board the SS Nightmare now!

Chaos.

A cosmic disaster that struck without warning.
"Chaos," a black fog that consumes planets, distorting their environment and lifeforms.
The beginning, or the end, of every story.
[The Blue Pot], a Chaos located on Earth, the birthplace of humanity. There have been reports of unidentifiable creatures being discovered.
And for some reason, a strange phenomenon that couldn't—no, shouldn't—be happening to the Captain is occurring.

▶ A World Drenched in Darkness, A Story Etched in Memory
Dive into a vast and haunting dark fantasy narrative!
Crushing stress, collapsing agents... and yet, the mission continues.
Break through the encroaching crisis and immerse yourself in a brutally vivid dark fantasy experience.

▶ A New Kind of RPG, Rewritten with Every Choice
Aim through the agents' eyes and feel the weight of combat at your fingertips!
Unique cards, branching choices, and evolving "Save Data" shaped by your journey through the Chaos.
Every run is unique. Build your own strategy and master the ever-changing battlefield.

▶ Characters That Dazzle the Eyes and StealOfficial description from the game's App Store page

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