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

+MOVEUP

CS:GO

This command only works in noclip mode and in demos: this command will make you (or your free-roam camera in demos) move upwards. Use -moveup to stop moving upwards.

Syntax
+moveup

Description

This command only works in noclip mode and in demos: this command will make you (or your free-roam camera in demos) move upwards. Use -moveup to stop moving upwards.

How To Use +moveup

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter +moveup, 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

+moveup