steamapps\common\Left 4 Dead 2\left4dead2\cfg\video.txt "VideoConfig" { "setting.cpu_level" "2" "setting.gpu_level" "0" "setting.mat_antialias" "1" "setting.mat_aaquality" "0" "setting.mat_forceaniso" "1" "setting.mat_vsync" "1" "setting.mat_triplebuffered" "0…