| Core Identity |
| Developer | NAKAYUBI CORPORATION | Haiku Games Co | Fireproof Studios Limited | Fireproof Studios Limited | Rusty Lake | Kiary Games Ltd | Lahana Games |
| Category | Games | Games | Games | Games | Games | Games | Games |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS, Android | iOS, Android | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 4.6 / 5 | 4.8 / 5 | 4.9 / 5 | 4.8 / 5 | 4.9 / 5 | 4.8 / 5 | 4.6 / 5 |
| Ratings Count | 3,080 | 19,893 | 16,505 | 7,493 | 6,242 | 10,901 | 160,824 |
| Price | Free | Free | $1.99 | $0.99 | Free | Free | Free |
| Release Date | Apr 26, 2019 | Dec 21, 2018 | Dec 12, 2013 | Sep 19, 2012 | Mar 11, 2021 | Apr 7, 2021 | May 19, 2020 |
| Last Updated | Apr 17, 2026 | Apr 15, 2026 | May 29, 2018 | Feb 23, 2021 | Jul 30, 2021 | Apr 30, 2026 | Mar 30, 2026 |
| Sentiment & Reviews |
| Sentiment | positive | - | excellent | excellent | - | positive | terrible |
| Score | 75/100 | - | 88/100 | 88/100 | - | 75/100 | 18/100 |
| Praises | - Challenging puzzle design provides a rewarding experience for long-term players seeking mental stimulation
| - | - Intricate puzzle design and atmospheric storytelling create a highly immersive experience for lateral thinkers
| - 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 puzzle design and narrative depth create a highly immersive experience for mystery enthusiasts
| |
| Complaints | - Excessive advertisement duration during hint requests creates friction for players needing assistance
| - | - Lack of zoom functionality for text and clues hinders accessibility for some players
| - 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
| - | - Persistent loading screen hangs prevent game access for a segment of Android users post-update
| - Excessive Ad Frequency
- Misleading Advertising
- Predatory Monetization
|
| Requests | - Increased frequency of new stage releases to satisfy players who finish content quickly
| - | - Implementation of a zoom feature for clues and notes to improve readability
| - In-game brightness and display settings to improve visibility during dark atmospheric puzzle sequences
| - | - Expanded content and additional story chapters requested by players who finished the current narrative
| - |
| Strategic Intel |
| Strengths | - 140+ stage library sustains long-term session frequency
- Automatic progress saving reduces user churn
- In-game camera tool lowers frustration for complex puzzles
| - | - Tactile interaction model sustains premium brand authority
- Atmospheric soundscape creates a benchmark for genre immersion
| - Tactile 3D mechanics establish category authority
- Editors' Choice badge sustains organic install velocity
- High-fidelity production value holds long-term appeal
| - | - Editors' Choice badge across five markets sustains organic install velocity
- 3D rotation mechanic drives session length via hidden-clue discovery
| - Broad content variety (trivia, word games, and logic puzzles)
- Massive user base with over 2.1M ratings on Android
- Strong positioning for '7-second riddles' and mystery scenarios
|
| Weaknesses | - One-minute ad duration for hints triggers churn
- Technical instability during ad playback disrupts core loops
- Obscure puzzle logic forces reliance on flawed hints
| - | - $1.99 paid gate limits install volume vs F2P rivals
- Missing zoom functionality creates accessibility friction
| - Premium $0.99 model lacks recurring revenue
- No in-game brightness settings for accessibility
- Limited content volume relative to competitors
| - | - 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
| - Extreme ad frequency (ad after every level)
- Uncompetitive $7/week subscription pricing
- Misalignment between UA creatives and actual gameplay
|
| Pricing | freemium | freemium | paid | paid | free | freemium | freemium |
| Momentum | Intense | Active | Zombie | Zombie | Maintenance | Maintenance | Maintenance |
| Update Cadence | 5 versions | 5 versions | 5 versions, ~1075d avg | 2 versions, ~1693d avg | 4 versions | 5 versions, ~207d avg | 5 versions, ~19d avg |
