| Core Identity |
| Developer | Artifex Mundi S.A. | Mytona | Nordcurrent UAB | wooga | G5 Entertainment AB | Fanatee | Samfinaco LLC | Haiku Games Co |
| Category | Games | Games | Games | Games | Games | Games | Games | Games |
| Platform | Android, iOS | Android, iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 0.0 / 5 | 4.3 / 5 | 4.3 / 5 | 4.6 / 5 | 4.3 / 5 | 4.7 / 5 | 4.6 / 5 | 4.8 / 5 |
| Ratings Count | 0 | 94,786 | 108,971 | 323,988 | 41,757 | 283,379 | 183,371 | 19,893 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Jul 9, 2014 | Jul 30, 2015 | Oct 2, 2018 | Dec 23, 2021 | Nov 21, 2012 | Mar 8, 2017 | Feb 5, 2015 | Dec 21, 2018 |
| Last Updated | Jul 20, 2016 | Apr 3, 2026 | Feb 12, 2026 | Apr 15, 2026 | Apr 22, 2026 | May 5, 2026 | Apr 29, 2026 | Apr 15, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | mixed | negative | mixed | mixed | mixed | - |
| Score | 45/100 | 45/100 | 45/100 | 32/100 | 65/100 | 35/100 | 75/100 | - |
| Praises | - Engaging narrative and puzzle design provide a high-quality experience for casual adventure fans
| - Engaging Gameplay
- High-Quality Graphics
| - Engaging narrative storylines and high-quality voice acting keep players invested in the mystery
| - Engaging Narrative
- Relaxing Experience
| - Long-term engagement through diverse hidden object puzzles and collection tasks
| - Educational crossword mechanics provide a relaxing and mentally stimulating daily habit for long-term players
| - Diverse puzzle variety within the core gameplay loop keeps sessions engaging and prevents boredom
| - |
| Complaints | - Technical instability and recurring crashes prevent users from completing the game on mobile devices
| - Excessive Ads
- Technical Bugs and Crashes
- Loss of Progress
| - Aggressive energy consumption rates force long wait times that disrupt the core gameplay loop
| - Aggressive Monetization
- Technical Instability
| - Aggressive monetization and difficulty spikes force players into spending real money
| - Aggressive ad frequency and intrusive ad behavior disrupt the core gameplay loop post-update
| - Excessive ad frequency and unskippable promotional content disrupt the flow of gameplay sessions
| - |
| Requests | - Cross-platform progress synchronization to maintain save data across multiple devices
| - | - Alternative methods to earn energy such as watching advertisements or completing side tasks
| - | - Improved inventory management for gifting and opening multiple tool chests
| - Permanent ad-free purchase option requested to replace the current high-cost monthly subscription model
| - | - |
| Strategic Intel |
| Strengths | - Hand-painted art style provides a distinct visual polish
- Offline-first architecture captures travel-based casual segments
| - 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
| - 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
| - Narrative-driven world progression sustains long-term retention
- 11-language library functions as a B2B distribution barrier
- Trivia-based crossword mechanics provide a high-frequency daily habit
| - Victorian-mystery narrative creates a distinct atmospheric hook
- Offline-play capability sustains DAU during travel
- 52-building restoration loop provides long-term progression
| - |
| Weaknesses | - 3.81-star rating on Android reflects persistent crash complaints
- Lack of cloud-save synchronization limits multi-device usage
| - 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
| - 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
| - Aggressive ad frequency disrupts the core gameplay loop
- Technical instability post-update causes loading failures
- No permanent ad-free purchase option for loyal users
| - High ad-frequency drives uninstall intent
- Technical ad-playback failures cause progress loss
- Aggressive monetization pop-ups trigger churn
| - |
| Pricing | freemium | freemium | freemium | freemium | freemium | freemium | freemium | freemium |
| Momentum | Zombie | Active | Maintenance | Active | Active | Active | Active | Active |
| Update Cadence | 2 versions, ~3403d avg | 2 versions, 2 majors/6mo, ~0d avg | 5 versions, ~149d avg | 3 versions, 1 majors/6mo, ~12d avg | 5 versions, 2 majors/6mo, ~9d avg | 5 versions, 5 majors/6mo, ~16d avg | 5 versions, 4 majors/6mo, ~7d avg | 5 versions |
