sooooooooooooooooooooo it turns out that
No One Lives Forever, its sequel, and Contract JACK are... basically entirely unavailable for purchase.
HOOOWEEVERRRRRrrrrrr
it is possible apparently to get fully (mostly, there are some crashes and bugs) functional versions of all three, for free, that work on Windows XP upwards to Windows 10.
and given what that article says about Night Dive's attempts to get the license to distribute/remake it, well... y'arr.
