Cytadela
An old-school first person shooter from classic Amiga computers
A conversion of an Amiga first person shooter from 1990's. Some say it's a Doom clone, but some argue that it's a Wolf 3D clone.
The Citadel is a secret military research base located on a distant planet. After the contact with the base has been lost, a military spaceship has been sent there with a mission to either restore the communication or, if that's impossible, destroy the base. While approaching the planet, the spaceship has been destroyed by the Citadel's defence systems and you, as the only survivor, have no other option but to fulfil the mission on your own - you have to destroy the Citadel. ...