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 card-battle RPG with a gacha system. Coupon codes give free Crystals for pulls, Tears of God and Signal Amplification Anchors, and the first-anniversary celebration has just brought 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. Open Settings from the gear icon.
2. Go to the Account section.
3. Tap Register Coupon.
4. Enter the coupon code exactly.
5. Collect the rewards from your mailbox. You can also redeem on the official coupon page (chaoszeronightmare.onstove.com).

Official Chaos Zero Nightmare redeem page ↗

Why Is My Chaos Zero Nightmare Code Not Working?

• Codes are case-sensitive and work once per account.
• Several codes end soon: HAPPY1YEARCZN on Nov 11 (14:59 UTC), NIGHTMARECARNIVAL on about Nov 9, 10211STANNIVERSARY on Nov 19 and the three CZNNEWPDGIFT codes on Nov 30.
• The coupon box in the game unlocks only after you pass the early story, so finish the tutorial first.
• Some sites still list old codes such as BOSSGIFT or CZNDECK as working; game.guide has them as expired since September 23.

What Do Chaos Zero Nightmare Codes Give You?

Crystals pay for gacha pulls, Tears of God and Signal Amplification Anchors are upgrade and progression items, and Units are the basic currency.

How to Get New Chaos Zero Nightmare Codes

The official Chaos Zero Nightmare X account (@CZN_Official_EN), Discord and livestreams; codes for anniversary events were posted there. 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

FAQ

Comments

Found a new code, or one that stopped working? Tell other players. No account needed.

More Game Codes

[CHEMISTRY] Build A Striker Codes11 working · checked October 29, 2026 [EVENT] Dodgeball: Zero Codes3 working · checked October 29, 2026 99 Nights in the Forest Codes4 working · checked October 29, 2026 A Long Flight Codes2 working · checked October 29, 2026 Adventure Time RPG Codes1 working · checked October 29, 2026 All Star Tower Defense Codes8 working · checked October 29, 2026 All Game CodesEvery game we track