To uninstall between just follow these instructions.
sudo apt-get remove between
This will remove just the between package itself.
sudo apt-get remove --auto-remove between
This will remove the between package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for between then this will work.
sudo apt-get purge between
Or similarly, like this between
sudo apt-get purge --auto-remove between
|Maintainer||Debian Games Team <email@example.com>|
|Description||game about consciousness and isolation|