It is a puzzle game in which the network motif.

Panel by applying the item in, Try to PING passes through a personal computer to each other.

The type of item line, hub, router, there are four types of personal computers.
Hub is a branch of the line, the router will be placed before the panel of the color (segment) is changed.
PING will begin when you click on the personal computer. Items PING passes will change color.

Problem is divided into three levels. Gradually to challenge the high degree of difficulty problem, let's learn the basics of the network.