Referring to some attribute of an inanimate object — use “who's”?
I noticed the use of "whose" in the following sentence I wrote does not refer to a person:
A recent post on Less Wrong, Levels of Action, reminded me of a game I created whose dynamics I wanted to explore.
I use "whose" in this way fairly often. I'm just wondering, is it correct Standard English? If not, what would be a more correct way of expressing the same thing?