ballerburg software package provides Classical castle combat game, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ballerburg
ballerburg is installed in your system.
Make ensure the ballerburg package were installed using the commands given below,
$ sudo dpkg-query -l | grep ballerburg *
You will get with ballerburg package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Games |
| Package | ballerburg |
| Version | 1.2.0-1 |
| Description | Classical castle combat game |
| Sub Section | Games |