chocolate-hexen software package provides Hexen engine closely-compatible with Vanilla Hexen, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install chocolate-hexen
chocolate-hexen is installed in your system.
Make ensure the chocolate-hexen package were installed using the commands given below,
$ sudo dpkg-query -l | grep chocolate-hexen *
You will get with chocolate-hexen package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Games |
| Package | chocolate-hexen |
| Version | 2.2.1-2.1 |
| Description | Hexen engine closely-compatible with Vanilla Hexen |
| Sub Section | Games |