Difficult logical game for sharp. The objective of the game is «laying» of tracks from special crates of a field in four corners of a game field up to a special crate of a field in central area of a field. In the beginning of the game to you some value of the score is installed which limits number of courses. On a field there are game blocks with two hanging indents. The blocks settle down in the arbitrary order.

In four corners and in a central zone game there are special crates of a field, which are required to be connected among themselves by «tracks» from blocks. On perimeter of a field the buttons settle down, pressing on which it is possible to shift the whole bar of blocks. Executing shifts of blocks, the connections of blocks in «tracks» achieve. Two blocks are considered joint, if they concern each other by hanging indents. By such «tracks» it is necessary to connect all special crates on a field. The central special crate of a field can move on a field together with game blocks. The special crate can occupy any crate of a field. Main, that it was connected to all angular special crates.

The game can be completed, if the score has appeared negative or the time, given on a round has expired.