Steam launch options instruct the Source 2 engine on how to allocate CPU threads, RAM buffers, and process priorities before Counter-Strike 2 launches.
1. Recommended CS2 Launch Commands
-high— Grants CS2 high CPU priority in Windows scheduler.-nojoy— Disables controller/joystick input polling, freeing background RAM overhead.-threads N— Sets engine worker threads (set to physical core count + 1).+fps_max 0— Removes frame rate caps for minimum input latency.
2. Outdated CS:GO Commands to Remove
Do NOT use these deprecated CS:GO launch options in CS2: -novid, -tickrate 128, -d3d9ex, or -cl_forcepreload 1. They are ignored or cause micro-stutters in Source 2.