| Core Identity |
| Developer | Big Fish Games, Inc | wooga | G5 Entertainment AB | Game Insight | Mytona | Nordcurrent UAB | Playrix | Metacore Games Oy |
| Category | Games | Games | Games | Games | Games | Games | Games | Games |
| Platform | iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS | iOS, Android | Android, iOS | Android, iOS |
| Store Metrics |
| Rating | 4.4 / 5 | 4.6 / 5 | 4.3 / 5 | 4.5 / 5 | 4.3 / 5 | 4.3 / 5 | 4.7 / 5 | 4.6 / 5 |
| Ratings Count | 114 | 323,988 | 41,757 | 30,100 | 94,786 | 108,971 | 214,225 | 197,084 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Sep 3, 2016 | Dec 23, 2021 | Nov 21, 2012 | Jun 8, 2018 | Jul 30, 2015 | Oct 2, 2018 | Apr 28, 2020 | Sep 16, 2020 |
| Last Updated | Sep 3, 2016 | Apr 15, 2026 | Apr 22, 2026 | Apr 22, 2026 | Apr 3, 2026 | Feb 12, 2026 | Apr 30, 2026 | Jun 8, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | negative | mixed | negative | mixed | mixed | mixed | negative |
| Score | 65/100 | 32/100 | 65/100 | 35/100 | 45/100 | 45/100 | 45/100 | 25/100 |
| Praises | - Engaging puzzle variety and hidden object scenes provide high quality entertainment for casual players
- Rich visual art style and atmospheric storytelling keep players immersed in the adventure
| - Engaging Narrative
- Relaxing Experience
| - Long-term engagement through diverse hidden object puzzles and collection tasks
| - Engaging mystery narrative and hidden object gameplay provide a relaxing mental escape for long-term players
| - Engaging Gameplay
- High-Quality Graphics
| - Engaging narrative storylines and high-quality voice acting keep players invested in the mystery
| - Absence of forced advertisements allows for uninterrupted and immersive gameplay sessions
| - Engaging narrative and character interactions provide a relaxing escape for long-term players
|
| Complaints | - Frequent application crashes during gameplay sessions disrupt progress and frustrate users on mobile devices
- Inconsistent pricing policies and monetization pressure create negative sentiment regarding the value proposition
- Grammar and spelling errors within the game text detract from the overall professional quality
| - Aggressive Monetization
- Technical Instability
| - Aggressive monetization and difficulty spikes force players into spending real money
| - Excessive ad length and frequency post-update disrupt the flow of gameplay and frustrate active users
| - Excessive Ads
- Technical Bugs and Crashes
- Loss of Progress
| - Aggressive energy consumption rates force long wait times that disrupt the core gameplay loop
| - Forced transition from hidden object gameplay to match three mechanics alienates long-term players
| - Drastic UI layout changes following the latest update hinder navigation and accessibility
- Aggressive monetization and removal of free energy sources force a pay-to-win experience
|
| Requests | - Clearer navigation and map functionality to assist players when they feel stuck in the game
| - | - Improved inventory management for gifting and opening multiple tool chests
| - Implementation of a paid ad-free upgrade option to improve the user experience for dedicated players
| - | - Alternative methods to earn energy such as watching advertisements or completing side tasks
| - Optional toggle to prioritize hidden object gameplay over match three mechanics
| - Reversion of the recent UI layout changes to restore previous navigation efficiency
|
| Strategic Intel |
| Strengths | - Complete, pay-once narrative arc appeals to players fatigued by aggressive live-service monetization.
- High-quality art and atmospheric storytelling sustain immersion for the casual demographic.
| - Strong 1920s thematic consistency
- Weekly episodic content updates
- Deep social integration via Detective Clubs
| - 11-language localization library functions as a B2B distribution barrier
- Persistent collection-based loop sustains long-term daily engagement
| - Offline-play capability functions as a distribution moat for travel-based usage
- Hand-drawn art style sustains a distinct detective-novel atmosphere
| - 10-year content library and established lore
- Unique multi-genre puzzle integration (Match-3 + HO)
- Strong social 'Guild' infrastructure
| - Episodic narrative structure sustains long-term player retention
- 1930s atmospheric design differentiates from supernatural-themed competitors
| - Cohesive mystery atmosphere drives initial engagement
- Renovation meta-loop provides long-term aesthetic goals
- Team-based card exchange creates community accountability
| - Mystery-driven narrative acts as a long-term retention anchor
- Seasonal event structure provides consistent content cadence
|
| Weaknesses | - Frequent application crashes on mobile devices erode the daily active habit.
- Lack of map or navigation assistance causes friction during gameplay.
| - Frequent ad-related crashes
- Perceived pay-to-win progression balance
- Unresponsive customer support
| - 0.17 rating gap between Android and iOS platforms
- Persistent content-download errors blocking gameplay
- Aggressive monetization spikes in the latest update
| - 0.07★ Android-iOS rating gap indicates platform-specific instability
- Ad-length complaints (2+ minutes) drive negative sentiment
| - Critical technical bugs causing progress loss
- Aggressive ad frequency (30s ads per 90s play)
- App crashes and loading screen failures in recent versions
| - Energy recharge rate is prohibitively slow for free-to-play users
- Multi-year gaps between chapter releases drive long-term churn
| - Forced match-3 pivot alienates hidden-object purists
- Technical instability post-update causes black screens
- Aggressive difficulty spikes create pay-to-win perception
| - UI regressions in the latest update hinder accessibility
- Removal of free energy sources drives negative sentiment
- Technical instability causes progress loss
|
| Pricing | freemium | freemium | freemium | freemium | freemium | freemium | freemium | freemium |
| Momentum | Zombie | Active | Active | Active | Active | Maintenance | Active | Active |
| Update Cadence | 1 versions | 3 versions, 1 majors/6mo, ~12d avg | 5 versions, 2 majors/6mo, ~9d avg | 5 versions, 5 majors/6mo, ~14d avg | 2 versions, 2 majors/6mo, ~0d avg | 5 versions, ~149d avg | 5 versions, 5 majors/6mo, ~12d avg | 5 versions, 3 majors/6mo, ~11d avg |
