As you may know, Cool Retro Term is an open-source terminal emulator written in Qt5, that mimics the 80s style monochrome monitors. It is available in different colors and styles, replicating old Apple or IBM consoles (terminals).
The latest version available is Cool Retro Term 1.0.2, which brings a few changes and bug-fixes only.
Installation instructions:
In order to install Cool Retro Term on Ubuntu, you have to add the PPA to your system, update the local repository index and install the cool-retro-term package:
$ sudo add-apt-repository ppa:noobslab/apps
$ sudo apt-get update
$ sudo apt-get install cool-retro-term
Optional, to remove cool-retro-term:
$ sudo apt-get install cool-retro-term
The installation instructions should work on Ubuntu 16.04 Xenial Xerus, Ubuntu 15.10 Wily Werewolf, Ubuntu 14.04 Trusty Tahr and derivative systems like Linux Mint 17.x and Elementary OS 0.3 Freya.