$ sudo apt-get remove hexen-engine

Uninstall hexen-engine including dependent package

If you would like to remove hexen-engine and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove hexen-engine

Use Purging hexen-engine

If you use with purge options to hexen-engine package all the configuration and dependent packages will be removed.

$ sudo apt-get purge hexen-engine

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove hexen-engine

See Also,