One thing I've noticed, today there are only two
* types of [first person] puzzle game
The ones trying to emulate Portal "you're someone in some science lab place, there's some robot or recorded voice talking to you all the time in a cynical tone, you have some fancy device that can do things, generally making things float"
The ones trying to emulate Antichamber "you're in some abstract non-euclidean space with vague to no direction given, it's full of pretentious simbolism and you interact with the weird mechanics of the world itself, generally something to do with perspective"
The 'third' option being games that try emulating both.