$ sudo apt-get update
$ sudo apt-get install marsshooter-data 

marsshooter-data is installed in your system.

Make ensure the marsshooter-data package were installed using the commands given below,

$ sudo dpkg-query -l | grep marsshooter-data *

You will get with marsshooter-data package name, version, architecture and description in a table

marsshooter-data package basic information: