Play Smash Fest vs Upend
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Play Smash Fest compared with Upend
| Detail | 
Play Smash Fest | 
Upend |
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| What it does | Free browser physics destruction game with 100 hand-crafted levels and strategy guides
| Challenge a friend to wake up, do the work, and beat them
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - 100 hand-crafted puzzle levels with deterministic physics and Par scoring
- Real-time 3D rigid-body collision detection at 60 FPS
- Touch and mouse controls with responsive layout for mobile and desktop
- Local progress saving with star ratings and level unlocking
- Comprehensive written strategy guides with in-game screenshots
- 15 advanced demolition and strategy principles
- Materials guide explaining glass, tin, wood and stone mechanics
- 10-chapter walkthroughs covering all 100 levels
- Multilingual support in English, Spanish, Japanese, French and German
- No account or download required to play
| - Real system alarm that starts the race
- Camera-based rep counting for squats and exercises
- Barcode scanning for proof of completion
- Photo evidence verification
- Hidden time scoring until both players finish
- Series score and win streak tracking
- Did Not Start tracking for missed challenges
- Offline-capable with server synchronization
- No video recording or transmission
- Self-report verification option
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| What makes it different | - Physics guides verified directly from the game engine rather than automated or copied content
- Rigorous playtesting methodology with hundreds of test shots to determine Par thresholds
- Plays instantly in browser with no downloads, accounts or sign-ups needed
- Cross-platform play with identical physics on mobile, tablet and desktop
| - Times stay completely hidden until both players finish, eliminating spoilers
- Fair scoring based on personal alarm time regardless of wake-up hour
- No video ever recorded, stored or transmitted for privacy
- Works fully offline without requiring signal
- Tamper-proof with server-side timestamp verification
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 19 |
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| Citation Flow (Majestic) | 26 | 9 |
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| Referring domains (Majestic) | 97 | 16 |
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4 details filled in for both companies.
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