A creative puzzle game where you draw freehand borders to trap particles and fill shapes. Achieve precise closures and complete fillings to advance through levels. It offers a unique challenge for strategic thinkers.






250+ iOS apps & games curated and reviewed
With an average user rating of 4.4★, the enclosure sealing category is one of the App Store's strongest. Browse all 250+ apps and games we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.7★ (207) | Yes | No | Oct 2026 | ||
| 2 | Free | 5.0★ (2) | No | No | May 2026 | ||
| 3 | Free | — | No | No | May 2026 | ||
| 4 | Free | 1.0★ (1) | No | No | Sep 2026 | ||
| 5 | Free | — | No | No | Jul 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | — | No | Yes | May 2026 | ||
| 8 | Free | — | No | No | Sep 2026 |






A creative puzzle game where you draw freehand borders to trap particles and fill shapes. Achieve precise closures and complete fillings to advance through levels. It offers a unique challenge for strategic thinkers.





Easily find the right sealing materials by entering specifications like temperature and hardness. Filter by chemical compatibility, approvals, or product type for O-Rings, Quad-Rings, and V-Rings. Request material datasheets directly through the app.
