About this app
■About game Aliens are coming to earth. Protect your castle with your thunder machine. For activate machine, answer questions correctly. Some aliens are wearing costumes to hide from you. Be careful! If you can catch special aliens, you will get extra points. You can improve your geography skills while learning national flags of the world and you will have a lot of fun! The geography level is about middle school and junior high school. Kindergarten / preschool children at all ages, primary school and elementary school students can play 1st levels. Helps to improve memory and brain skills. Recommended by teachers, best for boys, girls and kids. ■45 levels with 5 stages ■How to play 1. Country name will display on thunder machine. 2. Please select correct national flag of the country from 3 buttons. 3. If your answer is correct, you can attack aliens and protect your castle. 4. If you mistake the answer, you lost a star. game will finish after lost all stars. 5. A special alien will appear in each level. If you attack these aliens, you can get extra points. ■Game center support: You can compare your new best top score with others in the world. ■Unlock all levels First 5 levels are free to play, unlock other levels for more fun.
Latest release
What’s New
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included. iPad Pro support added.
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 1, 2026 · 1:37 PM Free
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