>Now go to Specify the settings for this program area and change the following:
>Select City Car Driving application (or Add the game if it is not on the list, just follow the game path in your steam folder>steamapps>common>City Car Driving>Bin>Win32>Starter) >Under '3D settings', go to 'Manage 3D Settings' Here are the steps on how to Optimize your Game (For NVIDIA GPU Users Only): This new settings gave me framerate boost up to 100 FPS during daytime and around 50 - 60 FPS during night time + rain. Then I tried changing the settings in NVIDIA Control Panel based on the settings from a different game. From 60 FPS, the game sometimes drop to 20FPS which causes freezing of the game (specially during night time + rain).