alex4 software package provides Alex the Allegator 4 - a retro platform game, 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 alex4
alex4 is installed in your system.
Make ensure the alex4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep alex4 *
You will get with alex4 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Games |
| Package | alex4 |
| Version | 1.1-6 |
| Description | Alex the Allegator 4 - a retro platform game |
| Sub Section | Games |