Chaos Zero Nightmare Codes (August 2026)

Chaos Zero Nightmare hands out free rewards like Crystals, Tears of God, and Signal Amplification Anchors through limited-time codes you punch in from your account settings. Codes usually tie into anniversaries, content updates, or community milestones, so they don’t stay redeemable forever.

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Working Chaos Zero Nightmare Codes
How to redeem codes in Chaos Zero Nightmare
Expired Chaos Zero Nightmare codes
How to get more Chaos Zero Nightmare codes

Working Chaos Zero Nightmare Codes

There aren’t any active codes for Chaos Zero Nightmare right now. Every code that’s gone out so far has already expired, but this list gets refreshed the moment a new one shows up, so it’s worth checking back in.

How to redeem codes in Chaos Zero Nightmare

Before you can redeem anything, you need to clear Chapter 1, Episode 4 in the story. The coupon menu stays hidden until you hit that point, so finish that stretch of the campaign first if you’re still early on.

Open Chaos Zero Nightmare and tap the menu icon in the top-right corner of the lobby screen.

Tap the settings gear icon, then pick the silhouette icon to get into Account Settings.

Select Register Coupon. This option only shows up under Account Settings once you’ve cleared Chapter 1, Episode 4, so if you don’t see it yet, that’s why.

Type or paste your code into the box and confirm. You’ll know it worked when the reward drops straight into your mailbox or inventory; a code that’s already expired or mistyped will throw an error instead of confirming.

Expired Chaos Zero Nightmare codes

These codes have already run their course and won’t work anymore, but they’re worth glancing at if you want a sense of the kind of rewards Chaos Zero Nightmare has given out before.

MAYTHE4THCZN Tears of God x5

2026CZNNEWS2 500 Crystals, Tears of God x3, Multidimensional Alignment Materials x3

CZNHALFANNIV Signal Amplification Anchor x10

CZN0418ARISE 1,000 Crystals

BOSSGIFT

CHYUUCHYUUUCHYUU

CZNDECK

CZNDEVGIBYOUSELECTOR

CZNLAUNCH2210

CZNLAUNCH22ND

CZNSTRESS

CZNTRAUMA

HUGOLOVESYOU1

HUGOLOVESYOU3000

HUGOLOVESYOUFOREVER

NOTA5STARSELECTOR

How to get more Chaos Zero Nightmare codes

New codes for Chaos Zero Nightmare tend to go out around anniversaries, major story updates, or milestone celebrations, so don’t expect them on a fixed schedule. The most reliable place to catch one as soon as it drops is the game’s official Discord server, where the team posts announcements directly.

Are Chaos Zero Nightmare codes free?

Yes. Codes are a free way for the developer to hand out Crystals, materials, and other items, and redeeming them costs you nothing beyond a few taps in the settings menu.

Why didn’t my code work?

A code that won’t redeem is almost always expired, mistyped, or already claimed on your account. Since Register Coupon only appears after you clear Chapter 1, Episode 4, double-check you’ve reached that point in the story if the option is missing entirely.

Check back on this page whenever you’re wondering if fresh rewards are up for grabs. The moment Chaos Zero Nightmare puts out a new code, it’ll show up here ready to redeem.