About this app
Shells is a geometry puzzle game about the elegance of nested pieces on a tiny board. Slide your block into larger shells to rearrange the board and find your way out! Features: - Simple core mechanics and deep emergent complexity packed into a compact 4x4 grid. Train your brain by challenging your problem solving and spatial reasoning skills! - Gradual difficulty curve featuring over 360 original levels spread across 8 distinct worlds. - Flexible progression structure with multiple levels to choose from at any given point. - Adjust the difficulty to your liking with the optional hint system! - Soothing piano soundtrack accompanied by relaxing sound effects and backgrounds.
Latest release
What’s New
- Updated in-app purchasing library. - Updated age rating information.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 10, 2026 · 9:19 PM Free