Hacker quest

Recently discovered on the network another time killer. This time an interesting hacker quest made with humor is offered to your attention. In RuNet mentions of him almost never occur. It consists of 5 “warm-up” levels and 50 more difficult ones , for the passage of which you will have to apply knowledge from various fields.
After solving the first 5 levels, you are given the opportunity to register and receive a shell account on a server with Debian Lenny as a pleasant bonus. Disk quota up to 2 GB, more information about the server can be found here .
Good luck :)