| Core Identity |
| Developer | Amrita Studio | Fireproof Studios Limited | Fireproof Studios Limited | Fireproof Studios Limited | Fireproof Studios Limited | Rusty Lake | Yak & co | ustwo games | Kiary Games Ltd |
| Category | Games | Games | Games | Games | Games | Games | Games | Games | Games |
| Platform | iOS | iOS, Android | Android, iOS | Android, iOS | iOS, Android | Android, iOS | iOS, Android | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 4.0 / 5 | 4.8 / 5 | 4.9 / 5 | 4.9 / 5 | 4.9 / 5 | 4.9 / 5 | 4.8 / 5 | 4.8 / 5 | 4.8 / 5 |
| Ratings Count | 1,647 | 7,493 | 35,146 | 33,806 | 16,505 | 10,605 | 10,535 | 13,941 | 10,901 |
| Price | Free | $0.99 | $4.99 | $3.99 | $1.99 | Free | Free | $3.99 | Free |
| Release Date | Nov 30, 2017 | Sep 19, 2012 | Jan 25, 2018 | Nov 4, 2015 | Dec 12, 2013 | Sep 20, 2018 | Oct 28, 2015 | Apr 3, 2014 | Apr 7, 2021 |
| Last Updated | Feb 24, 2019 | Feb 23, 2021 | Feb 5, 2018 | Jun 26, 2018 | May 29, 2018 | Feb 20, 2019 | Oct 16, 2023 | May 8, 2025 | Apr 30, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | excellent | excellent | excellent | excellent | - | - | positive | positive |
| Score | 25/100 | 88/100 | 92/100 | 92/100 | 88/100 | - | - | 75/100 | 75/100 |
| Praises | - High quality visual design and atmospheric lighting create an immersive mystery experience
- Challenging puzzle design provides a deep mental workout for dedicated players
| - Intricate puzzle design and mechanical box interactions create highly immersive and satisfying gameplay sessions
- High production value in graphics and audio sustains long-term appeal across multiple years of play
| - Intricate mechanical puzzle design provides a satisfying challenge for long-term fans of the series
- High-fidelity graphics and immersive soundscapes create a compelling atmosphere for mobile puzzle enthusiasts
- Fair monetization model without intrusive advertisements or pay-to-win mechanics enhances the user experience
| - Intricate puzzle design and atmospheric storytelling keep players deeply immersed for extended sessions
- Multiple ending paths provide significant replay value for dedicated puzzle enthusiasts
| - Intricate puzzle design and atmospheric storytelling create a highly immersive experience for lateral thinkers
| - | - | - Visual design and atmospheric audio create a soothing, high-quality puzzle experience for players
| - Intricate puzzle design and narrative depth create a highly immersive experience for mystery enthusiasts
|
| Complaints | - Unresponsive touch controls and pixel-hunting requirements break the core gameplay flow
- Critical progression bugs and impassable glitches prevent players from finishing the game
- Aggressive paywall placement after the first puzzle frustrates potential new users
| - Excessively dark visual design makes identifying critical puzzle details difficult without manual brightness adjustments
- Limited content volume leads to rapid completion and feelings of dissatisfaction regarding the price
| - Unclear puzzle progression logic causes frustration for some players during specific mechanical sequences
- Occasional technical glitches during complex mechanical interactions disrupt the flow of gameplay
| - Game progression freezes or locks up following specific puzzle completion events
| - Lack of zoom functionality for text and clues hinders accessibility for some players
| - | - | - Technical instability and freezing during chapter transitions disrupt the flow of gameplay
| - Persistent loading screen hangs prevent game access for a segment of Android users post-update
|
| Requests | - Implementation of a puzzle skip feature to bypass frustrating or broken segments
| - In-game brightness and display settings to improve visibility during dark atmospheric puzzle sequences
| - Frequent release of new content installments to satisfy high demand for additional puzzle experiences
| - Community demand for additional entries in the series remains high among long-term fans
| - Implementation of a zoom feature for clues and notes to improve readability
| - | - | - Additional levels or expanded content to extend the longevity of the puzzle experience
| - Expanded content and additional story chapters requested by players who finished the current narrative
|
| Strategic Intel |
| Strengths | - High-fidelity 3D visual presentation establishes a premium brand identity
- Non-linear puzzle design incentivizes replayability for dedicated users
| - Tactile 3D mechanics establish category authority
- Editors' Choice badge sustains organic install velocity
- High-fidelity production value holds long-term appeal
| - High-fidelity tactile mechanics create a premium brand moat
- Ad-free monetization model sustains long-term user trust
- Multi-language support expands the addressable global market
| - Tactile interaction model sustains high user satisfaction
- Branching narrative paths drive repeat playthroughs
- Premium ad-free model builds brand loyalty
| - Tactile interaction model sustains premium brand authority
- Atmospheric soundscape creates a benchmark for genre immersion
| - | - | - Iconic minimalist visual language sustains long-term brand recognition
- Meditative, ad-free UX creates a high-barrier-to-entry for ad-supported competitors
- Reactive audio-visual design reinforces premium positioning
| - Editors' Choice badge across five markets sustains organic install velocity
- 3D rotation mechanic drives session length via hidden-clue discovery
|
| Weaknesses | - Unresponsive touch controls in the latest version drive high churn
- Progression-blocking bugs prevent completion for a significant user segment
| - Premium $0.99 model lacks recurring revenue
- No in-game brightness settings for accessibility
- Limited content volume relative to competitors
| - Lack of new content updates causes organic rank decay
- Occasional mechanical glitches disrupt the core gameplay flow
- Opaque puzzle logic triggers low-frequency user frustration
| - Progression freezes post-update disrupt the core loop
- Dark visual environments hinder accessibility
- No new content updates since the initial release cycle
| - $1.99 paid gate limits install volume vs F2P rivals
- Missing zoom functionality creates accessibility friction
| - | - | - Chapter-transition crashes in the latest release erode the user experience
- Short content duration (approx. 1 hour) limits long-term LTV
- Negative sentiment from corporate labor controversies impacts brand perception
| - Persistent loading screen hangs on Android post-update
- No cloud-save functionality despite high user demand
- 0.05★ rating gap between iOS and Android platforms
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| Pricing | free | paid | paid | paid | paid | freemium | free | paid | freemium |
| Momentum | Zombie | Zombie | Zombie | Zombie | Zombie | Steady | Zombie | Maintenance | Maintenance |
| Update Cadence | 5 versions | 2 versions, ~1693d avg | 2 versions, ~2808d avg | 2 versions, ~2667d avg | 5 versions, ~1075d avg | 5 versions | 5 versions | 2 versions, ~298d avg | 5 versions, ~207d avg |
