Hotkeys

Single Hotkeys

Key	Description
Caps Lock	Specific Element Erase
Insert or ; (semicolon)	Replace mode
TAB	Circle/Square/Triangle Brush
Space	Pause
Q	Quit
Esc	Quit
Z	Zoom
S	Save stamp (+ Ctrl when STK2 is out)
L	Load last saved stamp
K	Stamp library
C	Cycle view mode
1-9	Set view mode
P	Save screenshot to .ppm
F	Pause and go to next frame
G	Grid
H	Show/Hide HUD
D	Debug mode (+ Shift when STK2 is out)
I	Invert Pressure and Velocity map
T	Vine mode
W	Toggle gravity modes (+ Shift when STK2 is out)
Y	Toggle air modes
U	Toggle ambient heat
R	Reset LIFE generation (when in Debug mode)
~	Lua console
=	Reset pressure and velocity map
[	Decrease brush size
]	Increase brush size
B	Edit decoration layer
;	Replace mode

Key	Description	Ctrl+C/V/X	Copy/Paste/Cut	Ctrl+Z	Undo	Ctrl+G	Toggle display of Newtonian gravity field	Ctrl+B	Toggle display of decoration layer	Ctrl+Cursor drag	Rectangle	Shift+Cursor drag	Line	Shift+Alt+Cursor drag	Line snapping in steps of 45°	MMB / Alt+LMB click	Sample element	Mouse scroll / { }	Change brush size	Ctrl + Mouse scroll	Change vertical brush size	Shift + Mouse scroll	Change horizontal brush size	Shift + Ctrl + R	Horizontal mirror for stamp (need stamp preview up)	Ctrl + R	Rotate stamp counterclockwise (need stamp preview up)	Ctrl + Arrow keys	Shift stamp in the direction of arrow key one pixel (no walls)	Ctrl + L alternative button	Select subject for Specific Element erase	Ctrl + =	Reset Electricity	Ctrl + Shift + LMB/RMB	Fill