Mouse Action	Keyboard Shortcut	Result
Click on an empty location	Select empty location with cursor keys and press the Enter key	Shows the constructor menu
Click on an occupied location	Select occupied location with cursor keys and press the Enter key	Shows the method menu
Select the Location -> Delete menu item	Press the Delete key	Removes the occupant in the currently selected location from the grid
Click on the Step button		Calls act on each actor
Click on the Run button		Starts run mode. In run mode, the action of the Step button is carried out repeatedly
Click on the Stop button		Stops run mode
Adjust the Slow/Fast slider		Changes speed of run mode
Select the Location -> Zoom in/Zoom out menu item	Press the Ctrl+PgUp / Ctrl+PgDn keys	Zooms grid display in or out
Adjust the scroll bars next to grid	Move the location with the cursor keys	Scrolls to other parts of the grid (if the grid is too large to fit inside the window)
Select the World -> Set grid menu item		Changes between bounded and unbounded grids.
Select the World -> Quit menu item	Press the Ctrl+Q keys	Quits GridWorld