The Particle Editor is an engine tool available since Source 2007 on Windows machines. To use it, run your game or mod with -tools -nop4 on the command line and select 'Particle Editor' from the Tools menu. Make sure that sv_lan is set to 1 in the console located in the lower-left corner ( sv_lan 1 ). To load a map into the engine viewport
This is the convars/concommands for Left 4 Dead arranged from D-F. dbghist_addline : cmd : : Add a line to the debug history. Format: dbghist_dump : cmd : : Dump the debug history to the console. At the main menu, select "Options", then "Keyboard/Mouse." Enable "Allow Developers Console." In-game press Tilde (`) to open up console and enter: sv_cheats 1 r_drawvgui 0 (or cl_drawhud 0) Left 4 Dead Cheat Codes; gamefaqs.com Left 4 Dead Hide Hud \\Left 4 Dead Remove Hud \\Left 4 Dead ToggleSelect the Left 4 Dead profile. Change Antialiasing compatibility value to 0x000000C0. Creating your own CFG (to run multiple console commands together)