Blue = New to Version 0.4

Common controls
Key		Action
F1		Switch to Heightmap mode
F2		Switch to Texture mode
F3		Switch to Material Map mode
F4		Switch to Object mode
Spacebar		Toggle between free-camera and free-cursor mode. Space or ESC to exit
A, S, D and W		Move camera. W forward, S backward, A left, D right.
SHIFT + Move		Move slower
Q		Teleport to cursor. VERY USEFULL!!!
CTRL + 0-9		Save position
0-9		Recall position
TAB		Toggle overhead map
M		Toggle minimap preview. (CPU intensive, it will take a few seconds)
G		Toggle Grid view
T		Toggle Details texture
O		Toggle Objects display
F		Toggle Fog display
L		Change sun position. Just point and press L.
K		Change water position. Just point ground and press K.
Escape		Cancel current mode. (Camera, road painting, adding and planting)
CTRL + N		Create a new map.
CTRL + O		Open a level.
CTRL + S		Save current mode only. Also, in minimap preview, only minimap is saved.
CTRL + SHIFT + S		Save all modes, including heightmap, textures, materials and minimap.

Heightmap mode
Key		Action
Left mouse button		Raise/Lower : Raise terrain Level : Level terrain to pointed position height Set : Set terrain to picked height Smooth : Smooth terrain
Right mouse button		Raise/Lower : Lower terrain Level : Level terrain to initial position Set : Pick current height Smooth : Smooth terrain (same as LMB)
SHIFT + MouseWheel		Change brush speed
CTRL + MouseWheel		Change brush size

Texture mode
Key		Action
Left mouse button		Paint using current color source.
R		Toggle road texturing mode. R or ESC to exit
E		Change current colorsource layer settings
SHIFT + MouseWheel		Texture mode : Change brush opacity
CTRL + MouseWheel		Change brush size
MouseWheel (Road mode)		Change brush size

Material mode
Key		Action
Left mouse button		Paint using current material
Right mouse button		Pick material
SHIFT + MouseWheel		Material mode : Cycle material type
CTRL + MouseWheel		Change brush size

Object mode
Key		Action
Left mouse button		Select object
Right mouse drag		Move, Rotate, Scale selected object. Cancel object creation (when creating).
CTRL + Select		Select multiple objects
SHIFT + Any move		Smoother object move
MouseWheel		Move object up and down
Page Up / Down		Move object up and down
Delete		Delete current selection
Insert		Clone current selection
SHIFT + Create		Create object in random direction (for planting forests).
Z		Set action to move
X		Set action to rotate
C		Set action to scale. Scale is also used for changing control point radius.
Return		Open object properties window.