Hot Keys

Unlisted ones:

Key Function
W,A,S,D Camera movement, pretty self explanatory
E,Q Moves camera up and down
Shift Hold Allows to move the camera
Alt Drag While selecting a unit dragging alt will duplicate it
Ctrl Hold Locks Grid size(units that the objects move on) to 1
Ctrl + Right Mouse (Drag) Toggle selection area in screenspace (Selected units are deselected)
Alt + Right Mouse (Drag) Deselect area in screenspace