$ sudo apt-get update
$ sudo apt-get install jumpnbump-levels 

jumpnbump-levels is installed in your system.

Make ensure the jumpnbump-levels package were installed using the commands given below,

$ sudo dpkg-query -l | grep jumpnbump-levels *

You will get with jumpnbump-levels package name, version, architecture and description in a table

jumpnbump-levels package basic information: