CZN (Chaos Zero Nightmare) is a long-anticipated gacha roguelite deck-building RPG, and its release date, gameplay, available characters, and many other interesting details have been revealed recently. Below, we have compiled all available data to get you ready for when the servers go live! Here is everything you need to know regarding the Chaos Zero Nightmare release date and global launch.
When Is the Chaos Zero Nightmare Release Date?
Chaos Zero Nightmare will release on October 22nd, 2025, at 12 AM (time zone still unknown). It's almost certain that all servers will go live at the same time, and there will be no way to get into the game early by using VPN, etc.
What type of game is Chaos Zero Nightmare?

Chaos Zero Nightmare is a gacha RPG mixing classic strategy/roster management elements, almost every gacha has, with card-based/deck-building gameplay, similar to Slay the Spire. The CZN's gameplay showcase on their official YouTube is a very good example of what you'll be doing most of the time while exploring CZN's world.

Naturally, you'll be pulling for characters, upgrading them, and challenging different game modes to gather resources. The biggest differences from other popular gachas are the card-based combat and the unique characters.
What platforms will Chaos Zero Nightmare be available on?
Chaos Zero Nightmare will be available on Android (Google Play), iPhone (App Store), and PC (STOVE Client). The differences between versions should be minimal, though the PC version will be bigger and feature better graphics. Also, guest accounts might be limited to some platforms, making rerolling more difficult on others.
How to Pre-register for Chaos Zero Nightmare & Rewards List

- You can still pre-register on the official CZN website, and the rewards for doing that are Tear of God x2 and 50,000 Units.
- Also, following/joining CZN's socials with a linked account will reward you with Rescue Anchor x3 and 100,000 Units.
- All rewards will be sent to your in-game mail and last for 30 days post-launch.
- All players will receive the following because the global pre-registration milestones have been reached:
- Advanced Battle Memory x10
- Rescue Anchor x20
- 4-Star Combatant Amir
Chaos Zero Nightmare System Requirements
Minimum/recommended specifications will depend on your platform. Here is the full list provided by the CZN developers (if your device doesn't meet the requirements, the game might not appear in the store):
- Android - Minimum / Recommended Specifications
- OS: Android 7.0 / Android 10
- Smartphones: Galaxy S7 / Galaxy S10
- Tablets: Galaxy Tab S4 / Galaxy Tab S6
- Memory: 4 GB / 8 GB
- iOS - Minimum/ Recommended Specifications
- OS: iOS13 / iOS13
- Devices iPhone 8 / iPhone 12
- Tablets: iPad Air (3rd generation) / iPad (4th generation)
- Memory: 2 GB / 4 GB
- PC - Minimum / Recommended Specifications
- CPU: intel i5 / intel i7
- RAM: 8GM / 16 GB
- GPU: GTX960 / GTX1660
- OS: Windows 10 64-bit
Official Chaos Zero Nightmare Launch Trailer
The video below was released on the official Chaos Zero Nightmare YouTube channel on September 25th, showcasing the release date and some character and lore details.
Chaos Zero Nightmare Launch FAQ
Below you'll find all the frequently asked questions about the Chaos Zero Nightmare's global launch, along with their answers. As new sneak peeks and showcases are released, we'll update the list.
Q: What will the first limited banners be in Chaos Zero Nightmare?
A: The first limited banners in Chaos Zero Nightmare are expected to be Haru (starts at launch, 22nd October) and Yuki (starts 12th November). Along with them, there will be a beginner banner that will guarantee a 5-Star character within 30 summons. If you plan to reroll, it's best you summon on the limited banner and hold off on the beginner's banner until after you're done with rerolling.
Q: Will there be PvP in Chaos Zero Nightmare?
A: No, there will be no PvP in Chaos Zero Nightmare. That, and a bunch of other information, is available in an interview with the developers (it's in Korean).
Q: Will Chaos Zero Nightmare be P2W?
A: Chaos Zero Nightmare doesn't seem like it will be a P2W game, especially since there will be no PvP, and considering how easy it was in the CBTs to clear all the game content even without any limited characters.
Q: Will there be a pre-download before the CZN release?
A: All available information indicates that a pre-download will be available before the release. All CBT tests had pre-downloads available before launch, with maintenance in place to prevent players from joining the game too early.
Q: Will there be region locks for Chaos Zero Nightmare?
A: While there were region locks for the CBTs, there will be no region locks for the global release of Chaos Zero Nightmare. You will be able to play the game from any country.
Q: Will the Closed Beta Test data carry over for the release?
A: No, player data from the CBTs will not carry over for the release. Whether any compensation will be provided to the testers is still unknown.
And that covers all the information you'll need for the upcoming release of Chaos Zero Nightmare. As the developers drop new info, we'll update this guide. Until then, be sure to follow and check out all the other guides here on PGG!