Is it possible to be selective about updates to Steam games? If a recent update introduces crashes, performance degradation or other problems, can I go back?
It is possible to disable automatic updating.
To do this for all games, you can choose to use Steam in offline mode.
For more specific games:
Right-click on the game in your library and go to
Then choose the Updates tab:
Change the dropdown from 'Always keep this game up to date' to:
It has been reported that this does not work for some, it seems to be patchy at best, as per comments on this Q/A.
I've never done any revert-to-pre-patch trials on games myself, but I did come up with a Sotpedia article on how it can be done.
Taken from that tutorial: