| Core Identity |
| Developer | Brightika, Inc. | UNICO STUDIO | KAZUYA KAMIOKA | GAMINCAT, INC. | Red cat studio-focused puzzle game | GAMINCAT, INC. | 庆龙 刘 | Tang Thi Thuy | Teos Oyun | AI Games FZ |
| Category | Games | Games | Games | Games | Puzzle | Games | Games | Games | Games | Games |
| Platform | Android, iOS | Android, iOS | iOS | iOS | Android, iOS | Android, iOS | iOS | Android, iOS | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 4.7 / 5 | 4.8 / 5 | 5.0 / 5 | 4.7 / 5 | 4.9 / 5 | 4.6 / 5 | 4.6 / 5 | 4.7 / 5 | 4.6 / 5 | 4.7 / 5 |
| Ratings Count | 47,573 | 1,417,806 | 2 | 30,323 | 34 | 39,791 | 68,520 | 69,734 | 181,645 | 134,099 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Apr 3, 2020 | Nov 12, 2019 | May 10, 2021 | May 30, 2017 | Apr 10, 2020 | May 2, 2016 | Oct 15, 2019 | Mar 19, 2025 | Aug 14, 2020 | Apr 13, 2022 |
| Last Updated | Mar 27, 2026 | Apr 9, 2026 | Mar 18, 2026 | Nov 18, 2024 | May 12, 2026 | Nov 26, 2024 | Nov 19, 2020 | Oct 15, 2025 | Apr 29, 2026 | Apr 19, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | - | terrible | - | negative | mixed | excellent | terrible | - |
| Score | 45/100 | 65/100 | - | 16/100 | - | 25/100 | 45/100 | 85/100 | 15/100 | - |
| Praises | - Core spot the difference gameplay provides a relaxing and mentally stimulating experience for casual players
| - Challenging puzzle mechanics effectively stimulate cognitive thinking and problem solving skills for players
- High replayability and addictive nature keep users engaged during short daily play sessions
| - | - Core puzzle mechanics provide an engaging and challenging experience for casual players
| - | - Simple puzzle mechanics provide a relaxing mental challenge for casual play sessions
- High volume of available levels keeps players engaged for extended periods
| - Challenging puzzle mechanics provide a satisfying mental workout for casual players
- Entertaining and humorous artistic style keeps the experience lighthearted
| - Cognitive stimulation through brain-teasing puzzles keeps players mentally engaged during daily sessions
| - Challenging puzzle scenarios provide a sense of accomplishment for players who enjoy brainteasers
| - |
| Complaints | - Excessive ad frequency disrupts the core gameplay flow and forces players to watch unwanted content
| - Excessive ad frequency disrupts the core gameplay loop and creates a negative user experience
- Aggressive monetization tactics and expensive hint systems gate progress for non-paying players
| - | - Excessive ad frequency disrupts the flow of gameplay after every single level
- In-app purchases for ad removal fail to function as promised post-transaction
| - | - Excessive frequency of unskippable advertisements disrupts the core gameplay loop
- Failure of paid ad-removal purchases to actually disable advertisements
- Forced online connectivity requirements prevent offline play and trigger ad loading
| - Excessive ad frequency after every level disrupts the core gameplay flow
- Lack of new content updates leaves long-term players without progression
- Technical instability and crashes prevent consistent access to the game
| - Excessive ad frequency interrupts the flow of gameplay after every single round
| - Excessive ad frequency and duration disrupt the core gameplay loop for free users
- In-app purchases for ad removal fail to function as advertised for many users
| - |
| Requests | - Non-timed game modes requested to accommodate players who prefer a slower, less stressful experience
| - Increased level volume to provide more content for long-term dedicated players
| - | - Dark mode interface requested to reduce eye strain during extended play sessions
| - | - Permanent ad removal option that functions correctly across all game sessions
- Improved progress saving to prevent data loss when closing the application
| - Implementation of an offline mode to bypass mandatory advertisement interruptions
- Expansion of the level library to provide sustained engagement for power users
| - | - | - |
| Strategic Intel |
| Strengths | - High-quality image library sustains engagement
- Offline play capability reduces churn
- Brain-training positioning attracts families
| - Editors' Choice badge across five markets sustains organic install velocity
- Offline-first architecture maximizes accessibility in low-connectivity regions
| - | - Minimalist 850-stage progression loop sustains long-term user retention
- Core one-stroke mechanic provides a high-frequency, bite-sized engagement loop
| - | - 2,000-level content library sustains long-term engagement
- Meditative core loop fits casual commute-time usage
- Free hint system lowers entry barrier
| - Social challenge mode lowers acquisition cost via existing networks
- Unique riddle design provides satisfying mental workout
| - Cross-generational UI design broadens addressable ad-inventory
- Physics-based mechanics sustain high replayability
| - Daily streak loops drive consistent DAU/MAU ratios
- Narrative-driven format distinguishes the app from generic riddles
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| Weaknesses | - Paid ad-removal fails to persist
- Excessive ad density disrupts flow
- Technical lag during level transitions
| - Ad-to-gameplay ratio is the primary churn driver
- Premium tier weekly subscription cost exceeds casual-puzzle category medians
| - | - Paid ad-removal purchase flow is broken, driving refund requests
- Ad-to-gameplay ratio is perceived as unreasonable by the user base
| - | - Paid ad-removal failure triggers deceptive-practice complaints
- Forced online connectivity prevents offline play
- High ad-frequency outweighs gameplay time
| - Excessive ad frequency drives high churn
- Limited content library causes rapid exhaustion
- Technical instability causes launch crashes
| - Excessive ad frequency post-update
- 0.73★ Android-iOS rating gap
| - Premium ad-removal fails to function for paying users
- Ad-to-gameplay ratio exceeds industry norms
- Touch-control glitches prevent level completion
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| Pricing | freemium | freemium | free | free | freemium | freemium | free | freemium | subscription | free |
| Momentum | Maintenance | Active | - | Zombie | - | Maintenance | Zombie | Maintenance | Active | - |
| Update Cadence | 5 versions, 5 majors/6mo, ~95d avg | 5 versions, 1 majors/6mo, ~22d avg | - | 1 versions | - | 3 versions, ~260d avg | 5 versions | 5 versions, ~42d avg | 5 versions, ~11d avg | - |
