Tips and tricks in sandbox user interface.

1.Top left is perspective button.
2.Top right, number x number means the resolution.
3.In bottom, search the object will only show this object and hide others.
4.Bottom, the camera value means the speed of camera moving.
5.Press control+G, means in game.
6.Bottom right, Goto position button. Enter the value of x,y,z, then go to this place.
7.Console variable: search what you need to modify, such as the sound.
8.Rollupbar:editing, creating, modify.
9.A button in bottom, you can go through the land when you clicked it. Hence, you cannot go through the land when you have not clicked it.
10.Buttom left, object selection will show you what the name of the object you have clicked.