Chaos Zero Nightmare codes

Codes listed as available

Checked 2026-10-27 against the dated sources linked below. Each row identifies its evidence; server eligibility is unspecified. An older source agreeing on a reward does not independently confirm today’s availability.

Official 10211STANNIVERSARY coupon (October 20, 2026)Official third-reward search excerpt; body unavailableOfficial carnival coupon search excerpt; body unavailableGame8 coupon windows (October 20, 2026)CZN.gg reward corroboration (2026-10-05)

Evidence limits for the code list

The October 20 anniversary coupon was read in full on STOVE. The third director reward and carnival coupon were identified through official search excerpts; their full bodies were unavailable in this check. Game8 supplies the table windows for those entries, and CZN.gg provides older corroboration for the first two director gifts. This distinction matters when an expiry changes.

Full official anniversary coupon noticeDated secondary coupon windows

epicwithczn: conflicting end dates

Reward: Rescue Anchor x3 and Unit x300,000, reported by both coupon sites. Game8 lists September 15 - October 27 for the coupon, but its October 23 event page gives October 29 for the collaboration. Those may be different deadlines; neither proves an extension. Keep the code’s October 27 boundary visible without declaring it expired before a confirmed cutoff.

Coupon list: October 27Event list: October 29Older reward corroboration, no end date

How to redeem, including iOS

Open the official Coupon Registration page for the web route. Public guides also show Menu > Settings > Account Settings > Register Coupon. If that button is unavailable on your device, use the same official web page; this guide does not assert an identical iOS menu layout.

Published rules: rewards go to the selected character’s mailbox and are stored for 30 days after registration. Used or expired coupons cannot be reused; some have server restrictions. STOVE promotion coupons may instead require STOVE Coupon Storage.

Official Coupon RegistrationOfficial coupon registration guide

Expired archive

Game8 (October 20, 2026) and CZN.gg (2026-10-05) both archive CZNS40729START, MAYTHE4THCZN, 2026CZNNEWS2, CZNHALFANNIV and CZN0418ARISE as expired. Keep these spellings for identifying old promotions; no reactivation is established by these sources.

CZN.gg expired archiveGame8 expired archive

Deck codes are not gift codes

A deck code is a Build Preset string, not a coupon. The copy path is on the deck-codes page.

How to paste deck codesOfficial download routesDated update notesGame FAQ

Questions