I didn't play much at the time because of the lack of games on Linux, but I've played some Far Cry 3 (from 2012) recently where I did turn down SSAO in the settings.

Amnesia: The Dark Descent is the example that always comes to mind for me (2010, also available on Linux at the time).

https://www.youtube.com/watch?v=vBZ7NEyPUDw

https://frictionalgames.com/2014-01-tech-feature-ssao-and-te...