nethack-el software package provides Emacs major-mode for playing NetHack, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install nethack-el
nethack-el is installed in your system.
Make ensure the nethack-el package were installed using the commands given below,
$ sudo dpkg-query -l | grep nethack-el *
You will get with nethack-el package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Games |
| Package | nethack-el |
| Version | 1:0.9.5-3 |
| Description | Emacs major-mode for playing NetHack |
| Sub Section | Games |