My God... I fucking can't stand this shit! I turned off Steam Cloud, set save folder to read-only and it STILL restores those old saves? What the fuck? I've been removing them five times already but they still come back after some time, like a goddamn boomerang... Seriously, I even tried to turn on Steam Cloud, launch the game and turn it off afterwards but it still goes on. No matter how many times I remove those fucking saves, they always come back sooner or later. 
