About this app
Defend 30 cities in self-contained battles that pit your reflexes against an increasingly formidable invasion. Easy-to-learn gameplay. Short but intense battles. Optional challenges. 4 difficulty modes: - Normal, Easy & Easier progressively ease the original single-hit challenge - Shield mode absorbs all detonations – just do your best! Fluid graphics inspired by classic arcade space shooters. Supports all devices running at least iOS 11.0. You will prevail.
Latest release
What’s New
Thank you for your feedback! - Added 2 new difficulty modes: "Easier" eases up the 1-hit challenge while "Shield" lifts the 1-hit limit altogether. - Added Fewest Detonated challenge to Shield mode in place of Highest Accuracy. - Adjusted difficulty selection - Optimized local storage & enhanced resiliency Thank you for your patience, we hope you enjoy these improvements!
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 Aug 24, 2026 · 11:30 PM $2.99
Screenshots
