$ sudo apt-get update
$ sudo apt-get install beneath-a-steel-sky 

beneath-a-steel-sky is installed in your system.

Make ensure the beneath-a-steel-sky package were installed using the commands given below,

$ sudo dpkg-query -l | grep beneath-a-steel-sky *

You will get with beneath-a-steel-sky package name, version, architecture and description in a table

beneath-a-steel-sky package basic information: