SHIFT to toggle camera movement on/off
or hold the right mouse button
WASD: Move around
Q/E or NumPad8/2: Move up/down
+/-: Change camera speed
SHIFT in hold mode: Temporary speed boost
In orthographic view:
Left/right mouse button: pan
Q/E: Zoom
Mousewheel: Zoom
Toggle shortcuts (on/off)
C: Collision view
G: Display graphs
Y: Display inactive sectors
I: View invisible objects
U: Show persos
P: Enable 3D animations
T: Enable texture animations
L: Lighting
F: Fog