How to remove (uninstall) the game VMS Empire in Devuan Linux

For complete removal of the game VMS Empire in Devuan Linux, you have to run two commands (purge & autoremove), combine in one command:

$ sudo apt-get purge empire && sudo apt autoremove empire

output:

$ sudo apt-get purge empire && sudo apt autoremove empire

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  empire*
0 upgraded, 0 newly installed, 1 to remove and 1 not upgraded.
After this operation, 205 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 103603 files and directories currently installed.)
Removing empire (1.14-1+b1) ...
Processing triggers for mime-support (3.60) ...
Processing triggers for desktop-file-utils (0.23-1) ...
Processing triggers for man-db (2.7.6.1-2) ...
Processing triggers for hicolor-icon-theme (0.15-1) ...
(Reading database ... 103588 files and directories currently installed.)
Purging configuration files for empire (1.14-1+b1) ...
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package 'empire' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.