controls

wasd — walk
wasd + shift — run
wasd + ctrl — crouch
lmb — hit
esc — unlock mouse movement
e — grab object
f — flashlight
v — fly mode
~ — open console


console commands

shadows low/medium/high
bloom on/off
fog on/off
hemisphere light on/off
color correction on/off
graphics highest/lowest
skybox on/off
clouds on/off
ui on/off
ui glow on/off
crosshair type 1/2/3
performance monitor on/off
viewmodel on/off
gravity off/on/negative/default
friction default/low
restitution default/low
infinite stamina true/false
delete (look at the object you want to delete)
create ammocrate/barrel/ar2crate/bathtub/error

Garry's mod copy