javihyuga: Thank you very much for the answer, I thought it was impossible!
Sorry, I thought it was covered in an earlier posting. You can use -? to see a list of commands to pass blood.exe
Blood Command-line Options:
-? This help
-8250 Enforce obsolete UART I/O
-auto Automatic Network start. Implies -quick
-getopt Use network game options from file. Implies -auto
-broadcast Set network to broadcast packet mode
-masterslave Set network to master/slave packet mode
-net Net mode game
-noaim Disable auto-aiming
-nocd Disable CD audio
-nodudes No monsters
-nodemo No Demos
-robust Robust network sync checking
-skill Set player handicap; Range:0..4; Default:2; (NOT difficulty level.)
-quick Skip Intro screens and get right to the game
-pname Override player name setting from config file
-map Specify a user map
-playback Play back a demo
-record Record a demo
-art Specify an art base file name
-snd Specify an RFF Sound file name
-RFF Specify an RFF file for Blood game resources
-ini Specify an INI file name (default is blood.ini)