Day of Defeat: Source: Cheat Codes

ENTER CABLE CODES:

LightGamma – Change Brightness
FPS_MAX [Number] – Change Framerate (Number of Frames Per Second)
Stopsound – Turn Off The Background Sounds (Without Them It Is Possible to Hear Someone’s Steps, A Pallet and T.D.)
CL_DYNAMIC_XHAIR 0 – With this option, The Crossroads Will Not Change WHEN YOU RUN, JUMP AND SQUAT

Crosshair Change
To make it so your crosshair won’t get bigger won you move. Type ~ to Go Into Console, Hit Spacebar Once and Type Cl_Dynamic_Xhair 0 .

Display Ping Values
Start The Game Server with the -Numericping Command Line Parameter.

Turn Off Background Sounds
To Turn Off Background Sounds So You Can Hear Footteps and Real Fire Better Type Stopsound in the Console.