What I mean by the subject is Adding -console, -Window, Or anything else you would like to. Through Xfire.
Go to Tools ..
Options ..
Games ..
Then let it detect your games .. Then after that is done, Select Halo, or Halo CE, and click the box "Extra Command Line Parameters" And you can add all of these from this following list:
-nosound
Disables all sound.
-novideo
Disables video playback.
-nojoystick
Disables joystick/gamepads.
-nogamma
Disables adjustment of gamma.
-useff
Forces the game to run as a fixed function card.
-use11
Forces the game to run as a shader 1.1 card.
-use20
Forces the game to run as a shader 2.0 card.
-safemode
Disables as much as possible from the game.
-window
Runs the game in a window.
-width640
Forces the game to run at 640x480.
-vidmode w,h,r
Forces the game to run at width, height, refresh rate.
-adapter x
Forces the game to run fullscreen on a multimon adaptor.
-port x
Server port address used when hosting games.
-cport x
Client port address used when joining games.
-ip x.x.x.x
Server IP address used when you have multiple IP addresses.
-screenshot
Enables the "Print Screen" key to generate screenshots
-timedemo
Runs four movies and writes out timedemo.txt.
-console
Enables the debugging console.
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Also, another thing I figured out, is that you can join servers through the console.
To do this ... Type "Connect (The IP adress) PW.
Example: connect 216.6.224.222:2301 pw
Example2, in case that server has a Password set on it.
Connect 216.6.224.222:2301 "Password"
Click here for the video (http://www.youtube.com/v/680G7SccUns&hl=en&fs=1&rel=0)
And this video, I made on you tube, Will help you with Rcon on your servers, And on other servers. Enjoy.