mp_falldamage
mp_falldamage
is a console variable available in all Source games.
This boolean ConVar available in all Source Engine games enables/disables realistic fall-damage on the server.
When mp_falldamage is non-zero players will get hurt based on the amount of units per second the player was travelling when falling, when it's zero, the fall damage will always be 10 when falling from a great height.
Syntax: mp_falldamage 0/1