Comparison

Chaos Zero Nightmare vs Etheria

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Chaos Zero Nightmare

Embark on a dark fantasy RPG adventure where your choices shape the narrative and gameplay. Battle cosmic horrors with unique cards and evolving strategies. Experience a visually stunning world with fully voiced characters.

Highlights
  • Dark fantasy narrative
  • Choice-driven RPG mechanics
  • Unique card-based combat
  • Evolving gameplay with branching choices
  • Gorgeous 2D illustrations
  • Fully voiced characters
Features
Read full description

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. "Chaos," a black fog that consumes planets, distorting their environment and lifeforms. The beginning, or the end, of every story. [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! ※ How to Manage Permissions After allowing access to permissions, you can reset or turn off them as follows. - Device Settings > Privacy & Security > Select the App > Allow or Don't Allow Permissions ⁜⁜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

About

Etheria

Embark on an RPG adventure in a virtual world threatened by a corrupted force. Assemble a team of unique heroes, master strategic turn-based combat, and explore a visually stunning 3D world. Engage in thrilling PvP battles and challenging PvE content to save humanity.

Highlights
  • Strategic turn-based combat
  • Limitless team compositions
  • Breathtaking 3D visuals
  • Cinematic battle spectacles
  • Strategic PvP Arena battles
  • Venture into the Threshold PvE
  • Forge unique combat styles
Read full description

Biggest rewards ever for the Anniversary Season! Claim your share of 100 Million Hydra Crystals — and pick your FREE Kinetic Animus SSR! The new Sprint Server supercharges your journey: 600 Summons, 70 Perfect Lattices, and 8 powerful Anima SSRs — all FREE, zero grind. Plus Xuan Li’s anniversary-exclusive Outfit! Fresh UI, revamped Main Quest, double drops — level up at lightning speed. The grand [Pyrite Plunder] event is live: rally your Consortium and fight for treasure. Restart Etheria. It all begins now. Etheria is an Ethereal Hero Collection RPG . When a devastating global freeze threatens to extinguish human civilization, humanity transfers their consciousness into "Etheria," a virtual world, to preserve their legacy. Within Etheria, humans coexist with beings known as the Animus, who wield mysterious Anima Powers. Their peaceful coexistence shatters when the "Genesis Virus" emerges, corrupting the Animus and driving them berserk, endangering humanity's survival. In response, the Hyperlinker Union forms to combat this threat. Take on the role of a Hyperlinker and begin your adventure in Etheria. [Strategic Combat & Limitless Team Compositions] Etheria evolves classic turn-based combat by incorporating diverse strategic mechanics and sandbox exploration, delivering a next-generation Team RPG experience! Create countless team combinations by synergizing Animus abilities, issue real-time combat commands, and freely control each Animus in battle. Master skill combinations and tactical setups to experience the thrill of overcoming powerful foes through superior strategy. [Breathtaking 3D Visuals & Cinematic Spectacle] Built in Unreal Engine, Etheria delivers cinematic immersion through lifelike lighting, detailed shadows, and fully rendered real-time scenes. Each character features unique combat animations enhanced by dynamic camera work and dazzling effects, creating spectacular battles without visual clutter or overwhelming effects. [Strategic PvP Arena Battles] Step into the Arena, where non-stop duels rage day and night! Engage in exhilarating PvP battles amid roaring crowds, showcase your unique strategies to fellow Hyperlinkers, and experience the pure thrill of tactical competition as you pursue your combat dreams! [Venture into the Threshold] Explore Etheria's rich PvE content, where formidable foes from the Main Quest return in the Threshold, GP Outposts, and Investigations. Team up with your Animus squad to tackle powerful bosses! For those seeking greater challenges, venture into the Ember ruins, where even deadlier and more mysterious adversaries await... [Forge Your Combat Style] Each Animus features a unique Prowess system with diverse progression paths. Customize their abilities through Shell equipment and nearly a hundred different Ether Module combinations to develop distinct fighting styles and combat approaches. Create specialized builds for your favorite Animus to tackle any battle scenario! [Discover Extraordinary Allies] Your journey through this virtual metropolis of danger and opportunity won't be lonely! Meet hundreds of unique Animus characters: a dual-wielding Reaper carrying a mighty coffin, a punk genius Hacker, a metropolitan Empress who manipulates Soul Flames... Join forces to confront unknown threats and unveil the mysteries of this futuristic city.

Screenshots

Chaos Zero Nightmare4 screens
Etheria4 screens

Verdict

The call

The clearest difference is review sentiment: Chaos Zero Nightmare at 66% against Etheria's 45%. Chaos Zero Nightmare also leads on rating (4.9 vs 4.7) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Chaos Zero Nightmare sells 45 one-off in-app purchases and Etheria sells 31 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Chaos Zero Nightmare holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 15K and 8.5K respectively. Written reviews point the same way: 66% of Chaos Zero Nightmare's written reviews are positive against 45% of Etheria's.

UpkeepUpdate frequency

Chaos Zero Nightmare ships an update every 3 weeks, Etheria every 2 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 8 level
Chaos Zero Nightmare versus Etheria: the parameters behind the verdict, then further details
ParameterChaos Zero NightmareEtheria
PriceFreeFree
Rating4.9 (15K ratings) — better4.7 (8.5K ratings)
Positive reviews66.2% of reviews — better44.9% of reviews
Number of ratings15K — better8.5K
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#110#107 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size112 MB3.6 GB
Age rating12+12+
DeveloperSmilegate, Inc.XD Entertainment Pte Ltd

Customer experience

Chaos Zero Nightmare

All ratings14,802 ratings
Positive97.2%
Neutral0.7%
Negative2.0%
Written reviews948 reviews
Positive66.2%
Neutral8.0%
Negative25.7%

Etheria

All ratings8,549 ratings
Positive94.5%
Neutral1.2%
Negative4.3%
Written reviews797 reviews
Positive44.9%
Neutral8.3%
Negative46.8%

User reviews

Chaos Zero Nightmare

From 15K App Store ratings

What we love

  • 🚀 Amazing, Incredible, Gorgeous, Uniquely Compelling
  • 👍 Fun, Refreshing, Engaging Gameplay
  • 💎 Solid Story, Animation, and Voice Acting
  • 🎨 Beautiful Character Designs and Visuals

Room to improve

  • 🐛 Connection Issues, Login Problems, and Crashes
  • 💰 Gacha Rates are Low, Grindy Progression
  • ⏱️ Lengthy, Tedious, and Time-Consuming Runs

Etheria

From 8.5K App Store ratings

What we love

  • 👍 Fun gameplay
  • 🚀 Low data usage
  • 👍 Amazing animation and characters
  • 👍 Smooth performance
  • 👍 Enjoyable story

Room to improve

  • 🐛 Game still under maintenance
  • 🔊 No English voice acting

Bugs and requests

Chaos Zero Nightmare

Reported bugs

2 issues
  • Banned IP Issues
  • Missing Files and Inability to Load

Requested features

3 requests
  • English Dubbed Version
  • More Male Characters
  • Flexible Character Setup

Etheria

Reported bugs

2 issues
  • Game not starting despite user input
  • Download issues

Requested features

2 requests
  • English voice acting
  • More store accessibility

In-app purchases

45 purchases

Chaos Zero Nightmare

One-time45
  • New Captain Support Kit I$0.99
  • New Captain Support Kit II$4.99
  • Coronomicon Monthly Package$4.99
Show 42 more
  • Half-Anniversary Ticket$4.99
  • Tactical Asset Monthly Supply$4.99
  • Agent Growth Kit$4.99
  • Aether Supply Kit$4.99
  • Gentle Ripples on the Night Sea$7.99
  • Crimson Yearning Within the Waves$7.99
  • Youth Under the Sun$7.99
  • Special Data7 variants$9.99
  • Partner Promotion Kit$9.99
  • Imp's Mischief I$14.99
  • Covert Exchange I$14.99
  • Scent of Summer I$14.99
  • Legacy of Will I$14.99
  • Galaxy Melody I$14.99
  • Emergency Rescue Operation II$14.99
  • Crystal ×980$14.99
  • Regular Rescue Operation II$14.99
  • Golden Nebula Package I$14.99
  • SS Nightmare Security Upgrade I$14.99
  • Budding Seed of Karmic Fire I$14.99
  • Zero Data6 variants$19.99
  • Crystal ×1980$29.99
  • Royal Level Up Package$29.99
  • Golden Nebula Package II$29.99
  • Sweet Confession Gift$29.99
  • Galactic Disaster 3rd Supply Kit II$29.99
  • Emergency Rescue Operation III$29.99
  • Imp's Mischief II$49.99
  • Covert Exchange II$49.99
  • Scent of Summer II$49.99
  • Legacy of Will II$49.99
  • Galaxy Melody Ⅱ$49.99
  • SS Nightmare Security Upgrade II$49.99
  • Silver Winter Star Package I$49.99
  • Galactic Disaster Support Kit I$49.99
  • Large Scale Rescue Operation I$49.99
  • Imp's Mischief III$99.99
  • Covert Exchange Ⅲ$99.99
  • Scent of Summer III$99.99
  • Galaxy Melody Ⅲ$99.99
  • Crystal ×6480$99.99
  • Golden Nebula Package Ⅳ$99.99
31 purchases

Etheria

One-time31
  • Beginner Pack: Anima$0.99
  • Level 10 Pack$0.99
  • Daily Special Pack$4.99
Show 28 more
  • Monthly Supply Card$4.99
  • Beginner Pack: Enhanced$4.99
  • Level 25 Pack$4.99
  • Level 15 Pack$4.99
  • Jazz Swing Bundle$4.99
  • Premium Pass$10.99
  • Module Essence Supply$10.99
  • Animus General Chest$10.99
  • Psyche Rock Bundle$10.99
  • Ultimate Pass$15.49
  • Beginner Pack: Apex$15.49
  • Apex Supply Chest$15.49
  • Animus Vanguard Chest$15.49
  • Digital Beat Bundle$15.49
  • Special Training Supply$30.99
  • Apex Recon Chest$30.99
  • Animus Rival Chest$30.99
  • Level 40 Pack$30.99
  • Beginner Pack IV$30.99
  • Pop Break Bundle$30.99
  • Apex Ascension Chest$50.99
  • Animus Peak Chest$50.99
  • Level 45 Pack$50.99
  • Beginner Pack V$50.99
  • Mambo Rush Bundle$50.99
  • Apex Premium Chest$99.99
  • Level 50 Pack$99.99
  • Classic Tale Bundle$99.99

Questions

Is Chaos Zero Nightmare free?
Chaos Zero Nightmare is free to download, with in-app purchases available.
Is Etheria free?
Etheria is free to download, with in-app purchases available.
Which has better reviews, Chaos Zero Nightmare or Etheria?
Chaos Zero Nightmare is rated higher. Chaos Zero Nightmare averages 4.9 out of 5 from 15K ratings, while Etheria averages 4.7 from 8.5K ratings.
Do Chaos Zero Nightmare or Etheria have ads?
Both Chaos Zero Nightmare and Etheria show ads.
Which is updated more often, Chaos Zero Nightmare or Etheria?
Chaos Zero Nightmare ships an update every 3 weeks, and Etheria every 2 months. Most recently, Chaos Zero Nightmare was updated on September 24, 2026 and Etheria on September 23, 2026.
Which is more popular, Chaos Zero Nightmare or Etheria?
Chaos Zero Nightmare currently peaks at #110 in the App Store charts, and Etheria at #107. Chart position reflects recent download velocity rather than total install base.

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