This is a simple and fun game digital synthesis. Very magic.
Similar to the 2048, but must click on the two digital intermediate blank two numbers to fit.
The picture is concise, casual fun, addictive!
It is easy that everyone can play, but also difficult to make a genius.
To find the same figure in the colorful box, let them grow up with.
Once you start, you cant stop at all.
Can you get to Twenty?