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Chaos Zero Nightmare

November 08, 2025

More 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.
The beginning, or the end, of every story.
"Chaos," a black fog that consumes planets, distorting their environment and lifeforms.
..
[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 Steal the Heart
Gorgeous 2D illustrations and striking animations make every moment a visual delight!
Fully voiced by top-tier voice actors, each scene draws you deeper into the story.
Join a cast of unforgettable characters in battle and beyond, and cherish every moment of your journey together!

⁜⁜Stay up to date with the latest news on Chaos Zero Nightmare! ⁜⁜
Brand Page: https://chaoszeronightmare.onstove.com/
Official Community: https://page.onstove.com/chaoszeronightmare/en
Official YouTube: https://www.youtube.com/@ChaosZeroNightmare_EN
Official X: https://x.com/CZN_Official_EN

Latest Version

Update
November 08, 2025
Developer
Smilegate Holdings, Inc
Platforms
Android
Downloads
1,326,952
License
Free
Package Name
com.smilegate.chaoszero.stove.google
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User Reviews

Cally

2 weeks ago

tbh I really like this game. The most I like about it is the style of it. I like how things actually give you the chills (when you see monsters you got to battle) And imo its f2p, easy to get gems if you do stages enough. I also like the background music, it just suits the game so well too! the battle system is also fun, but I wish we could play autoplay in chaos mode too. also wish there was a skip button even if you Haven't readed the story yet. (unless it's tut)

Saya

1 week ago

It's a great game with beautiful and cool graphics and art style to the game. Love all the characters designs and the game play is a bit different but in a very good way. It be great if there is an option to skip the full tutorial to help not waste too much time when creating/resetting a new account.

DragonLilly

2 weeks ago

So far, beyond impressed I've been looking forward to this one. I absolutely love the theme and story of the game. It seems super thought out and is making me look forward to it even more. The battle system,missions and character design have a really awesome vibe to them. I really hope it stays great like this. I would not expect anything less. Great work!!!

acsonic, aka 3DSlime

2 weeks ago

It's truly anime STS x Darkest Dungeon, with the only flaw being that it's a gacha... We take what we can get out here though. Oh also, if you played or liked the concept of Packmaster in STS, you'll love this game as well. If not, there's still enough rigidity in your potential options, it's like starting a run with a predetermined build and relics in mind. Either way, good fun.

Daniel Martinez

1 week ago

I've been playing the game for about a week now. I'm currently Lv. 37 in the game. I love the game; story wise, gameplay wise, character models and their personalities, and the unique features like the trauma counseling and stuff like that. My only gripe is the gacha aspect of it. I hate how gachas incorporate a 50/50 system and have it to where you gotta spend over 20 bucks to get a ten pull. Why not take out the 50/50 and make us spend money on something different like skins.

Yuu Asaki

2 weeks ago

I'm loving the game so far. The moment to moment gameplay is great, team building is fun and the story is interesting. If I had to air any gripes it is that the translation on the cards could possibly use a second pass, mostly to check if a card buffs the team or the character and for how long. Also, a better idea on how long you have to wait for some resources would be awesome

Trung

1 week ago

I want to give this game a 5* however, there are game breaking bugs currently in the game. Building your deck is purely RNG based that requires you to run a chaos dungeon which takes quite a long time to do. But even after putting a lot of thought into which cards you choose, and strategically "remove", somehow the same cards you remove still end up in your save data at the end of your SUCCESSFUL runs! My review and rating will not change until this is fixed.

Storm Lawson

2 weeks ago

If you were like me and we're looking for a game like Chrono Ark but something more flashy, but with a tinge of Darkest Dungeon mechanics; look no further than this game. It's SUPER fun. Bonus: it has some nice fan service too. The gacha system is sucks though. It's basically a more 'generous' Wuthering Waves gacha system. The soundtrack is great. The story is decent so far, but we don't have much to go off of yet. Lots of potential.

Matt Curtiss

2 weeks ago

Great story, polished animations, and likable characters. Not many mobile games have me wanting to open the app to play more the next day - this one did. The new player experience has been great so far! Unlike some of the other reviews here I understand that allowing people to download the game a day early is a courtesy, not a misstep. Keep up the good work!

Yep

1 week ago

This game feels like a game that would be released on steam and blow up. That's to say, it doesn't feel like a mobile game, rather, it feels like a fleshed out and fun roguelike card game. It's exactly what I've been looking for. That being said my only suggestion is that the packs to buy in this game are not well made. I would like to (and have heard from many other people) support the game, but unwilling to spend on current deals. Hopefully event deals will be worth to spend on!

Jason S

2 weeks ago

The translation is a bit rough. Hard to know exactly what cards are doing at times. The text during events needs to be skippable. It's annoying to have to wait 10+ seconds for random events you've already seen. I would like cutscenes in general to be skippable. Other than that, the gameplay is very fresh for a mobile game. And the gameplay loop is enjoyable enough.

Timmy Krouch

1 week ago

The core game is great and fun to play. However, the stress system overall needs a rework. There's several ways to get stress throughout a run but not many ways to mitigate it. Heals only provide 1-6 stress heal randomly. shields do not block stress attacks. This becomes increasingly punishing because characters cannot keep data without passes. So you are forced to wait or delete high lv data to try again. It really punishes players based on a system that's basically unmanageable.

Erik Bewall

1 week ago

This game is a gatcha game with similar elements to the game "Inscryption" but as a gatcha game with much more freedom. Its a card style game with RPG elements, team building, rouge like elements and horror. Every character has multiple potential paths and even the starting cast is amazing, with one of the best units free. I'd 100% recommend this game to anyone that likes rouge like games or even card games. My only complaint is the stamina cost to do things is high, I just hope it gets reduced.

Keifer Smith

2 weeks ago

absolute master piece. would love to know if I can play the game offline since its a single player game. would make sense to be able to play offline. but otherwise, here's my honest review from a previous e7 player: games quite generous. good quality. fun replayability. plenty of team comps. strategy is good. could use more cards or ephiphanies in the future for more deck building potential. honestly, I haven't had this much fun on a mobile game in so long. this might just be the one.

Alex Fixing

1 week ago

so after a few days of play I can say the game itself is fun, the characters are very well done. The rewards from simulation are kinda low but it's fine not to bad. The actual gameplay is pretty strategic as certain card setups benefit certain character play styles. My only real gripe is the constant connection loss, the main reason I uninstalled the game. Hopefully they fix there servers then id bump it back to 4 stars. Great game id recommend giving it a shot.

David Thompson

1 week ago

This game is absolutely incredible. In all aspects almost. Graphics, animations, sound effects, music, progression systems, combat gameplay. All 5/5. Story is also pretty good. The reason I gave it 4 star is because there are some pretty ridiculous bugs that need ironed out - such as suddenly not being able to target anything. Also, the text translation while overall pretty good, has some major issues with gender accuracy. A single character may be called he, her, they all in one dialogue scene

Monica Jones

2 weeks ago

The card battle system is interesting once you get used to it. The gacha system is the typical stingy 50/50 pity but most characters work regardless of star level. The game also has too many different currencies. The story also feels slow. Typically, prologues do something major to draw you in early, but Im 10 hours in at ch 3 and still nothing. The premise has potential. The art, music, and graphics are really nice, but the game does not offer English dub and fails to translate all dialog.

martin do

2 weeks ago

pretty fun turn base game. The art style is very nice and pretty. my only thing is the game puts you into the middle of an already "built team" at the very beginning. the characters are reacting to what's going on *trying to avoid spoiling* with pretty strong emotions, but I have no idea who they are or why anyone is important to react to the early cutscene. after a few missions and cutscene it makes a little more sense but still building the familiarity with the story characters. still great 👍

Darius Gilmere

1 week ago

The gameplay is actually very fun and intuitive. I was just playing cards at one point but then i lost due to not being attentive to the order you play them, which can get you better results for the battle! The characters and art are top tier! Really love the expressions for status effects, brings out the emotions of the characters nicely! I can see myself as a long term player! Great job! I recommend it even if you just need to pass the time. For now, 5 stars! Everything I want in a model game!

Josh Chet

1 week ago

You guys made such a damn good game! The dungeons are so fun, especially in Nightmare mode. Whoever came up with the epiphany system, give that person or team a raise. The fact that you can build your characters in so many ways, is just amazing. You had a few hiccups at launch, but you communicated and got them fixed. The game isn't easy, it's very challenging in a good and addicting way. Keep it up devs. 👏👏👏

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