cavepacker software package provides sokoban game with network based multiplayer gaming, 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 cavepacker
cavepacker is installed in your system.
Make ensure the cavepacker package were installed using the commands given below,
$ sudo dpkg-query -l | grep cavepacker *
You will get with cavepacker package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Games |
| Package | cavepacker |
| Version | 2.4+git20160609-2 |
| Description | sokoban game with network based multiplayer gaming |
| Sub Section | Games |