| Core Identity |
| Developer | Playstack Ltd | Snapbreak Games | Kazunari Hiyoshi | 晓翔 黄 | Tomoya Tsuruta | TTN Games | Level-5 Inc. | Vector Labs Limited | ABI GLOBAL LTD. | Metin Yucel |
| Category | Games | Games | Games | Games | Games | Puzzle | Games | Games | Games | Games |
| Platform | Android, iOS | Android, iOS | iOS, Android | iOS | iOS, Android | Android | iOS, Android | iOS | Android, iOS | iOS |
| Store Metrics |
| Rating | 4.7 / 5 | 4.9 / 5 | 4.5 / 5 | 3.9 / 5 | 4.8 / 5 | 4.3 / 5 | 4.7 / 5 | 4.6 / 5 | 4.7 / 5 | 2.3 / 5 |
| Ratings Count | 56 | 12,042 | 19 | 159 | 574 | 466 | 310 | 176 | 3,751 | 393 |
| Price | Free | Free | Free | Free | Free | Free | $9.99 | Free | Free | Free |
| Release Date | Feb 6, 2026 | Apr 10, 2024 | Apr 4, 2022 | Feb 14, 2013 | Oct 14, 2019 | Sep 3, 2018 | Sep 25, 2018 | Jun 16, 2020 | Apr 1, 2021 | Oct 10, 2014 |
| Last Updated | May 12, 2026 | Apr 7, 2026 | Apr 9, 2022 | Feb 14, 2013 | May 15, 2026 | May 17, 2026 | Jun 6, 2022 | Jun 25, 2025 | Nov 3, 2021 | Jun 8, 2019 |
| Sentiment & Reviews |
| Sentiment | positive | excellent | positive | - | - | - | positive | - | negative | - |
| Score | 78/100 | 85/100 | 70/100 | - | - | - | 75/100 | - | 35/100 | - |
| Praises | - Logical deduction puzzles provide a rewarding challenge without relying on excessive hints or frustration
- Distinctive art style and narrative depth create a memorable atmosphere for mystery game fans
- Mobile accessibility allows for flexible play sessions during short breaks or commutes
| - High-quality puzzle design and visual aesthetics create an immersive experience for players
- Generous free-to-play trial allows users to experience enough content before purchasing
- Smooth performance and lack of intrusive advertisements enhance the overall gameplay experience
| - The core gameplay loop provides a satisfying and well-executed challenge for players
| - | - | - | - Faithful mobile adaptation of the classic puzzle adventure series preserves original charm and narrative quality
- Touch screen controls provide a superior input method for puzzle solving compared to older hardware
| - | - Nostalgic gameplay loop provides a familiar and engaging experience for returning long-term players
- Simple one-handed control scheme allows for quick sessions during short periods of downtime
| - |
| Complaints | - Progress loss and save file corruption occur frequently when the application quits unexpectedly
- In-app purchase restoration fails to unlock content for users who already paid
- Missing achievement unlocks for specific late-game scenarios frustrate completionist players
| - Limited content length relative to the price point creates value dissatisfaction
- Hidden interactive elements are difficult to identify on smaller mobile screens
- Technical purchase failures prevent users from accessing the full game content
| - The final stage difficulty requires external tools to solve effectively without frustration
| - | - | - | - Poorly worded puzzle instructions and rigid answer validation create unnecessary frustration for casual players
- Audio balance issues between voice acting and sound effects disrupt the immersive experience during gameplay
| - | - Excessive ad frequency interrupts gameplay flow and makes the experience feel unplayable for users
- In-app purchases to remove advertisements fail to provide the promised ad-free experience
- Forced internet connectivity requirements serve primarily to facilitate aggressive advertisement delivery during sessions
| - |
| Requests | - Transparent pricing models are requested to avoid confusion regarding free-to-play versus paid content
- Expansion of the franchise with additional cases and sequels for mobile platforms
| - Development of a sequel or additional content modules to extend the game
| - Extended content length is requested to provide a more substantial play experience
| - | - | - | - In-game map or fast travel system to reduce repetitive navigation between game locations
| - | - Additional levels are requested to extend the current short and limited content progression
| - |
| Strategic Intel |
| Strengths | - Deduction-based gameplay mechanics sustain long-term player engagement
- Ad-free premium model builds brand authority among high-intent users
| - 11-language localization drives global install velocity
- 3D mechanical puzzle loop sustains high session quality
- Freemium trial conversion model captures casual interest
| - Atmospheric desert-ruin setting sustains initial curiosity
- Core gameplay loop provides a satisfying challenge
| - | - | - | - HD remaster justifies premium price point
- Akira Tago puzzle library provides deep content
- Narrative-driven exploration increases session depth
| - | - Interactive comic format drives session length via choice-based narrative
- One-handed control scheme lowers barrier to entry for casual sessions
| - |
| Weaknesses | - Recurring save-data loss on unexpected app closure
- In-app purchase restoration failures for paying users
| - Purchase button failures block revenue in the latest release
- Content volume is insufficient for the price point
- Small interactive triggers frustrate mobile users
| - Final stage difficulty spike forces external note-taking
- Content length is insufficient for long-term retention
- Reliance on ad-inventory limits revenue per user
| - | - | - | - $9.99 price point limits new-user conversion
- Rigid answer validation causes user frustration
- Audio mixing issues disrupt immersion
| - | - Ad-removal purchase fails to deliver promised ad-free experience
- Forced internet requirement prevents offline play
- Content cap limits long-term retention
| - |
| Pricing | paid | freemium | free | free | freemium | free | paid | freemium | freemium | free |
| Momentum | Maintenance | Maintenance | Zombie | - | - | - | Zombie | - | Maintenance | - |
| Update Cadence | 4 versions, ~57d avg | 5 versions, ~63d avg | 3 versions | - | - | - | 2 versions, ~1200d avg | - | 5 versions, 1 majors/6mo, ~409d avg | - |
