There are several kinds of bomb box.
Red Box is explode by one tap, Brown box - double tap, Green box - triple tap, Blue Box - more than 3 taps and Etc.
The box will produce the fragments in all directions when explode.
If the fragment hit another box, it will result the same effect as user tap the box.
For example, the fragment hit the red box, it will be explode and produce another bunch of fragments.
If hit brown box, the box will be degraded as red box.
In this way, user can play the game and within the certain taps player has to explode all the bomb boxes to accomplish the misson.
This game provides players some "Hint"s for finding a way.