About this app
A simple iOS puzzle game that is devilishly fun to play. Just add positive and negative numbered blocks to one another to make all zeros. • Easy to play: swipe blocks left, right, up, or down • Lots to do: 120 levels and counting... • Never the same: new levels bring new kinds of blocks
Latest release
What’s New
This update from Apple will improve the functionality of this app. No new features are included. • added 18 new levels for a total of 120 • updated some beginning levels to make them easier • bug fixes
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 observed Aug 12, 2026 · 4:53 PM Free