- Developer: Sungwon Jeong
- Website: Official website
- Release Date: 2014-11-12
- Supports: Game Center,Family Sharing
- Languages: English
- Compatibility: Requires iOS 7.1 or later. Compatible with iPhone, iPad, and iPod touch.
Summary
## Description
Using four keys to unlock boxes.
And save aliens as many as possible.
[How to play]
1\. Tap a key which colour matches with bottom most box.
2\. When you unlock every 10th box, you can save aliens.
3\. Tap faster, and more aliens will be freed as a reward.
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