Once you click on the Settings icon, a box is displayed to toggle different options on and off throughout the game.
1: Selecting this option will allow you to leave the game.
2: Selecting this option will allow you to toggle the Music on/off.
3: Selecting this option will toggle Ambient Occlusion in the game.
4: Clicking on this button will allow you to switch between the resolutions available to your pc.
5: Clicking on this button will allow you to switch between the windowed and full screen modes.
6: This will save all you changed settings.
7: This shows the version number of the game .