In this article, you’ll find the most relevant promo codes for Chaos Zero Nightmare —we update the list monthly so you don’t miss out on any free bonuses. Redeem the codes and receive valuable resources: diamonds, leveling materials, gacha resources, and other useful rewards. We also explain in detail how to enter the code in-game to instantly receive your gifts. Stay tuned—new codes are added regularly!
Chaos Zero Nightmare working codes
- BOSSGIFT – 100 diamonds
- CHYUUCHYUUUUCHYUU — Activate to receive a gift
- CZNDEVGIBYOUSELECTOR — Activate to receive a gift
- NOTA5STARSELECTOR — Activate to receive a gift
- HUGOLOVESYOU1 — Activate to receive a gift
- HUGOLOVESYOU3000 — Activate to receive a gift
- HUGOLOVESYOUFOREVER — Activate to receive a gift
- CZNLAUNCH22ND — Activate to receive a gift
- CZNDECK — Activate to receive a gift
- CZNSTRESS — Activate to receive a gift
- CZNTRAUMA — Activate to receive a gift
- CZNLAUNCH2210 — Activate to receive a gift
Where to enter codes for Chaos Zero Nightmare

Launch Chaos Zero Nightmare and wait until the initial tutorial is complete. Once in the lobby, open the menu by tapping the icon with three horizontal lines in the upper right corner of the screen. Select “Settings” (the gear icon), then scroll down and go to the “Account Settings” tab. In the center of the screen, tap the “Register Coupon” button, enter the code in the field that appears, and confirm with “OK.”
Code rewards will be sent to the selected character’s mailbox. Mail can be accessed from the top bar of the main menu. Please note that gifts are stored for 30 days, after which they disappear if not claimed.



