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

JOY_NO_ACCEL_JUMP

CS:GO

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

Syntax
joy_no_accel_jump [0 / 1]

Description

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

How To Use joy_no_accel_jump

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter joy_no_accel_jump [0 / 1], 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_no_accel_jump [0 / 1]
0 / 1 Enter a 0 after this command to turn jump acceleration on with a joystick, and a 1 after the command to turn it off.