| Core Identity |
| Developer | By Aliens L.L.C - F.Z | Lion Studios | Kolibri Games GmbH | Kolibri Games GmbH | Auxbrain, Inc. | Hyper Hippo Publishing Ltd. | Lion Studios |
| Category | Games | Games | Games | Games | Games | Games | Games |
| Platform | Android, iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 4.6 / 5 | 4.4 / 5 | 4.8 / 5 | 4.7 / 5 | 4.8 / 5 | 4.7 / 5 | 4.6 / 5 |
| Ratings Count | 79,526 | 28,319 | 93,618 | 846,717 | 555,500 | 382,183 | 30,740 |
| Price | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Nov 5, 2015 | May 28, 2020 | Dec 30, 2022 | Jul 1, 2016 | Jul 14, 2016 | Feb 19, 2015 | Mar 9, 2021 |
| Last Updated | May 14, 2026 | Dec 7, 2023 | May 4, 2026 | May 6, 2026 | Apr 1, 2026 | May 1, 2026 | Apr 9, 2024 |
| Sentiment & Reviews |
| Sentiment | mixed | negative | negative | positive | excellent | terrible | positive |
| Score | 45/100 | 35/100 | 35/100 | 75/100 | 87/100 | 15/100 | 78/100 |
| Praises | - The core auction bidding loop provides an addictive and entertaining experience for casual players
| - Core pawnshop simulation loop provides an addictive and nostalgic pastime experience
- Variety of items available for trade keeps the core shop management loop engaging
| - Core idle gameplay loop provides a relaxing and addictive experience for casual players
| - Core idle mining mechanics provide a satisfying and addictive gameplay loop for long-term players
| - Non-Intrusive Ad Model
- Offline Playability
| - Core idle gameplay loop provides long-term entertainment value for returning veteran players
| - Simulation mechanics involving gas station management provide a satisfying and relaxing experience for casual players
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| Complaints | - Excessive advertisement frequency disrupts the core gameplay loop and creates a frustrating user experience
| - Excessive ad frequency interrupts gameplay and creates a poor user experience
- Persistent currency and progress bugs prevent players from advancing their shop
| - Frequent application crashes following the latest update prevent consistent progress and reward collection
| - Excessive frequency of pop-up advertisements disrupts the user experience and creates navigation friction
| | - Forced ad popups during menu navigation disrupt the flow of the core experience
| - Excessive ad frequency interrupts the core gameplay loop and degrades the overall user experience
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| Requests | - Implementation of a functional paid feature to permanently remove advertisements and improve playability
| - Implementation of employee management features to increase game difficulty and depth
| - Implementation of a reliable cloud save system to prevent total progress loss
| - Expanded shop utility allowing players to exchange earned coins for premium currency
| - | - Permanent ad removal purchase option requested to replace the current subscription model
| - Expanded content and new daily activities are needed to maintain interest beyond the first week
|
| Strategic Intel |
| Strengths | - Meta-game collection sets drive long-term player investment
- Core auction loop sustains high session frequency
| - High-frequency negotiation loop drives immediate session gratification
- Broad item variety supports collection-based progression
| - Automated idle-cash loop drives consistent daily active usage
- Manager collection system creates long-term progression goals
| - Offline-first architecture maintains stability for low-connectivity users
- Proven event-mine retention loop drives daily active usage
| - Highly praised optional ad model
- Proprietary 3D chicken swarm visualization
- Deep 'Artifact' and 'Space' meta-game
| - Prestige-based Angel Investor mechanic sustains multi-year DAU/MAU ratios
- Rotating event structure drives recurring FOMO-based engagement spikes
| - Multi-role simulation loop (manager, mechanic, attendant) sustains session variety
- Satisfying tactile feedback on car maintenance tasks drives high user praise
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| Weaknesses | - Excessive ad frequency disrupts gameplay
- Energy systems gate progress and discourage retention
- Technical regressions like broken item images persist
| - Currency-sync bugs block player advancement
- Ad-frequency creates high churn risk
- Frequent soft-locks during standard play
| - Frequent post-update crashes during ad playback
- Lack of cloud-save functionality causes total progress loss
- High upgrade costs create unfair progression walls
| - High-frequency ad-popups drive navigation friction
- Technical instability during ad playback hinders reward collection
| - Late-game progression walls
- Perceived P2W shift in contracts
- Lack of robust social/guild structures
| - Forced ad popups during menu navigation erode core experience flow
- Lack of one-time ad-removal purchase option frustrates users
| - Excessive ad frequency (ads after every interaction) drives high churn
- Repetitive gameplay structure leads to boredom after one week
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| Pricing | freemium | freemium | freemium | freemium | freemium | freemium | freemium |
| Momentum | Maintenance | Zombie | Active | Active | Maintenance | Steady | Maintenance |
| Update Cadence | 5 versions, ~13d avg | 5 versions, ~216d avg | 5 versions, 1 majors/6mo, ~8d avg | 5 versions, ~9d avg | 5 versions, 2 majors/6mo, ~47d avg | 5 versions, 3 majors/6mo, ~18d avg | 5 versions, ~239d avg |
