Delete cfg_pc_l.ini and cfg_pc_m.ini in the map data -> cmn. Then copy and paste cfg_pc_h.ini two times. Call those two copies cfg_pc_l.ini and cfg_pc_m.ini
Options
Create the file locale.ini in your main demo directory.
Here you can put:
RESOLUTION = 1024x768x32 (for resolution 1024x768)
WINDOWED = 0 (0 is not windowed, 1 is windowed)
VIDEO = 0 (0 is no intro video, 1 is intro video on)
NEVERENDING_GAME = 0 (0 is not neverending, 1 is neverending)
For the next things you have got to type [OPTIONS] first!
GAME_SPEED = 0 (0 is slow, 1 is normal, 2 is fast, 3 is even faster)
GAME_LENGTH = 4 (the number is the length of one half in minutes)
REFEREE = 0 (0 is no referee, 1 is referee on)
NUM_SUBS = 5 (the number is the amount of subs you take with you when you play a match)
DIFFICULTY_LEVEL = 0 (0 is amateur, 1 is semi-pro, 2 is pro, 3 is world class, 4 is legend)