\df_gametype [ DEFAULT: 0 RANGE: 0 TO 7 ] - manually selects the defrag gametype

  0: auto-config
  1: defrag
  2: tricks mode
  3: fast caps
  4: reserved (has no effect)
  5: multiplayer defrag
  6: multiplayer  icks mode
  7: multiplayer fast caps

Auto-config (value 0) lets defrag automatically determine the gametype based upon the map entities. It will enable a multiplayer gametype if quake is running in dedicated mode.
