NB! It seems this console command is not compatible with CS2.
Command Profile

JOY_GAMMA

CS:GO

This a client only command that only affects people who play with a joystick.

Syntax
joy_gamma [Gamma]

Description

This a client only command that only affects people who play with a joystick.

How To Use joy_gamma

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter joy_gamma [Gamma], replacing bracketed arguments with the value you want, then press Enter.

This legacy command is not currently listed as compatible with Counter-Strike 2.

Syntax And Arguments

joy_gamma [Gamma]
Gamma The default value for this command is 0.2.