- Click selects an object, a building, a road. On the User Interface it sets the focus on the input field or presses the button to execute a command.
- Middleclick (holding down the mousewheel) can be used to turn the whole map. If you are close to the ground you can turn the camera to a different angle.
- Mousewheel can be used to zoom in (move the camera towards the ground) or out (move the camera upwards from the planet).
- Move at the edge of the screen or (if in Windowed mode) window moves the map.
Also see Keyboard Commands