Gramps,
i know that this game "PREY" is a bit older... but my god i really got into if after a bit. And just like LADYHEAT stated.......
these freakn' things can really make you twist and turn at night - i can remember dreaming about walking on walls and ceilings in spaceships
, and even passing into the "astral plane" ( http://en.wikipedia.org/wiki/Astral_body ) to get past sheilds.
If you really are New to the gaming scene, this game is pretty good and you maybe able to find "PREY" in bargin bins for very cheap....