There are three playing mode (classic, puzzle, time). They are totally different playing styles. There are two or three difficulty levels in each playing mode
1. Classic mode
Get a high score by surviving as long as you can (endless if possible). Eggs move down continuously from slow to faster and then crazy faster. Some time new eggs is drop down, if you miss hit it. New egg is generated after that. There are a lot of bonus types (multiple 2,3,4 times) help you to get best score. You can get bonus score too when hit vibrating eggs.
2. Puzzle
You can choose medium level for beginner (58 levels). Or choose difficult level (180 levels) for pro shooter.
A lot of difficult puzzle levels are waiting you. All these level are nice designed so enjoy it before destroy!