-nomousegrab : Fixes window focus issues in some Linux environments.
Engine. These command-line parameters will work with any Source engine games ( Half-Life 2, Counter-Strike: Source, etc.). Syntax: Valve Developer Community Guide :: All Launch option Cs 1.6 - Counter-Strike
Below are the most common and effective commands for CS 1.6: :
-freq [value] : Forces a specific monitor refresh rate (e.g., -freq 144 ). :
For players looking to optimize their game, launch options are essential tools that can improve performance, fix mouse acceleration, and customize display settings. How to Access Launch Options in Steam
-w [width] -h [height] : Forces a specific resolution (e.g., -w 800 -h 600 ). -full : Starts the game in full-screen mode. -windowed or -sw : Forces the game to start in a window.