| Core Identity |
| Developer | Rayark International Limited | WFS, Inc. | Smilegate, Inc. | Nintendo Co., Ltd. | YOSTAR LIMITED | ZlongGames | NEOWIZ | NEXON Company | Bluepoch Co.,Ltd. | KURO GAMES |
| Category | Games | Games | Games | Games | Games | Games | Games | Games | Games | Games |
| Platform | Android, iOS | iOS, Android | Android, iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS | Android, iOS | Android, iOS | Android, iOS |
| Store Metrics |
| Rating | 4.8 / 5 | 4.8 / 5 | 4.6 / 5 | 4.8 / 5 | 4.7 / 5 | 4.9 / 5 | 4.5 / 5 | 4.1 / 5 | 4.8 / 5 | 4.6 / 5 |
| Ratings Count | 7,576 | 24,160 | 48,661 | 130,113 | 10,008 | 26,972 | 5,693 | 5,226 | 9,971 | 53,533 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Apr 22, 2018 | Jan 28, 2019 | Nov 3, 2018 | Feb 2, 2017 | Jan 15, 2020 | Jan 22, 2019 | Jun 20, 2023 | Nov 7, 2021 | Oct 25, 2023 | May 21, 2024 |
| Last Updated | Dec 30, 2025 | Apr 12, 2026 | May 14, 2026 | Apr 6, 2026 | Apr 14, 2026 | Feb 26, 2026 | May 6, 2026 | Apr 7, 2026 | Apr 16, 2026 | Apr 29, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | - | negative | negative | mixed | - | positive | - | positive | negative |
| Score | 45/100 | - | 25/100 | 38/100 | 55/100 | - | 72/100 | - | 72/100 | 35/100 |
| Praises | - Hand-drawn art style and orchestral music create a unique atmosphere for mobile RPG players
| - | - High-fidelity character animations and visual designs keep players visually engaged during long sessions
| - Character Collection and Art
| - High-Quality Content and Storytelling
- Strategic Gameplay
| - | - Generous resource distribution and free-to-play friendly gacha mechanics keep players engaged without mandatory spending
- High-quality character designs and artistic direction drive strong emotional connection and player retention
| - | - Unique historical-fantasy narrative and character designs provide a refreshing alternative to standard open-world gacha titles
| - High-fidelity combat animations and character designs keep players engaged in long-term sessions
|
| Complaints | - Aggressive storage permission requirements prevent users from accessing the game on modern mobile devices
| - | - Frequent application crashes and connection instability disrupt gameplay following the latest update
| - Aggressive Powercreep
- Technical Stability
| - Account Recovery and Login Issues
- Storage and Optimization
| - | - Frequent application crashes during gameplay sessions disrupt progress and frustrate users across multiple platforms
- Excessive download requirements and data management issues create significant barriers to entry and re-entry
| - | - Resource download failures and massive file sizes create significant barriers to entry for mobile users
| - Severe performance degradation and frequent crashes post-update render the game unplayable on mobile
|
| Requests | - Regular narrative content updates are requested to maintain engagement for the existing player community
| - | - Implementation of a hard counter for dominant PvP units to restore competitive balance
| - | - | - | - Native gamepad support would improve control precision and comfort during longer play sessions
| - | - Implementation of a skip feature for previously cleared stages to reduce daily time commitment
| - Cloud-based save or streaming options to mitigate massive local storage requirements
|
| Strategic Intel |
| Strengths | - Orchestral audio and hand-drawn art sustain a distinct visual moat
- Orb-matching combat mechanics drive session depth
| - | - High-fidelity 2D animation functions as a visual production moat
- Synchronous PvP arena drives long-term meta-chasing retention
| - Massive 30-year IP library
- Streamlined 8x6 grid UI optimized for mobile
- High-frequency content updates (Book X)
| - Exceptional narrative and worldbuilding quality
- High strategic ceiling allowing low-rarity unit viability
- Established IP with a massive character roster
| - | - High-fidelity Live 2D art assets drive strong emotional connection
- Modular Character Pack system enables episodic content delivery
- Flexible UI supports both portrait and landscape play
| - | - Distinct 20th-century retro-modern aesthetic differentiates the brand
- Full English voice acting increases narrative immersion
- Generous anniversary reward structure sustains player interest
| - High-skill combat ceiling drives deep character investment
- Cinematic art direction sustains long-term player engagement
|
| Weaknesses | - 3.98★ Android rating vs 4.77★ iOS rating indicates technical friction
- Storage permission gate blocks new user acquisition
| - | - Technical instability post-update causes consistent battle crashes
- Gear-crafting RNG creates end-game progression fatigue
| - Aggressive powercreep devaluing player collections
- Technical instability and overheating on flagship devices
- Overly complex skill descriptions
| - Critical failures in account binding and recovery systems
- Excessive storage footprint (25GB-33GB+)
- Static combat mechanics compared to newer rivals
| - | - Frequent crashes across device models erode daily active usage
- Excessive data-redownload requirements create high friction
- Complex onboarding confuses new players
| - | - High-frequency resource download failures create onboarding friction
- Large storage footprint limits accessibility
- Account recovery paths are unreliable for returning users
| - Massive storage footprint forces device-level churn
- Post-update performance regressions degrade the mobile experience
|
| Pricing | freemium | freemium | freemium | freemium | freemium | freemium | freemium | freemium | freemium | freemium |
| Momentum | Zombie | Intense | Maintenance | Active | Steady | Active | Active | Intense | Active | Active |
| Update Cadence | 2 versions, ~0d avg | 5 versions | 5 versions, ~16d avg | 5 versions, 3 majors/6mo, ~15d avg | 5 versions, 1 majors/6mo, ~30d avg | 5 versions | 5 versions, 4 majors/6mo, ~11d avg | 5 versions | 4 versions, 2 majors/6mo, ~21d avg | 5 versions, 3 majors/6mo, ~10d avg |