Key Bindings:
Space: Slow down (or match velocity)
AWSD/Shift/Ctrl: Movement
R: Rotate (hold + move mouse)
E: Interact: Talk to people, enter vehicles
Q: Exit vehicle
F: Flashlight
M: Map
Tab: Toggle HUD + Augmented Reality
J/K/U/L/I/O: Rotate

Augmented Reality only:
Left click: Target objects
Right click: Zoom

Settings:
H: 3rd person view
Y: Rotation stabilizer
F2: Toggle shadows
F3: Toggle sound effects
F4: Toggle music
F7: Restart game
F11: Toggle fullscreen

Cheats:
G: Toggle god mode + cheats
V/B: Impossible acceleration forward/backward
Shift+V/B: Same as V/B, but a thousand times faster
C: Impossibly instant stopping
X: Teleport to target