atomix software package provides puzzle game for building molecules out of separate atoms, 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 atomix
atomix is installed in your system.
Make ensure the atomix package were installed using the commands given below,
$ sudo dpkg-query -l | grep atomix *
You will get with atomix package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Games |
| Package | atomix |
| Version | 3.22.0-1 |
| Description | puzzle game for building molecules out of separate atoms |
| Sub Section | Games |