Pressing ESC will not just pause the game, but will also display a handy (if small) map of the area. There's an action button to open doors, an attack button to shoot, and numerals represent the selectable weapons.

The gameplay is standard fare for its time. You have to gather batteries for a torch if you want to be able to see, and with live bodies mounted screaming to the walls, you may not want to. Another is almost black as you explore a ship taken over by the xenomorphs. One level sees you rushing to the end within one minute in a tense mad dash that emulates a specific moment in the second film. In these moments, the intense sound effects, ominous level design and moody colour palette will still keep you on edge. It is not afraid to have huge sections of a level to be devoted to exploration. More so than any previous FPS, Alien Trilogy oozes in atmosphere. Nevertheless, there's still a fair amount that developers Probe Entertainment included that stood out. It features labyrinthine level design, a menagerie of otherworldly beasts and a penchant for unloading masses of bullets.

This was a moment in time when a first-person-shooter was known as a Doom clone and that phrase was certainly banded about when talking about Alien Trilogy. But way back in 1996, Ridley Scott's seminal sci-fi horror was still three movies and this was when Acclaim Entertainment published a FPS decidedly known as Alien Trilogy. And with Alien Covenant hitting cinemas (not to mention Prometheus), we can throw away the made up word of 'quadrilogy' too. It's been a long time since the Alien franchise was known as a trilogy.

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