Basic Editing

From Shortcuts Listing

List of Shortcuts

Keyboard Input	Description
Tab	Create a midspin tile on the selected tile
Shift + Space	Create a turnaround tile on the selected tile
P or Space	Play the level (level testing)
Ctrl + P or Ctrl + Space	Play the level on the selected speed
Ctrl + C	Copy all selected tiles
Ctrl + X	Cut all selected tiles
Ctrl + V	Paste all selected tiles
Ctrl + Alt + V	Paste all selected tiles, without its decorations
Ctrl + Z	Undo last edit
Ctrl + Shift + Z or Ctrl + Y	Redo previous edit
Mouse Scroll	Zoom in / out
Ctrl + Mouse Scroll	Change the play speed (by 10%)
Ctrl + Shift + Mouse Scroll	Change the play speed precisely (by 1%)

Click on each Shortcut Description for more information and video examples