Value: The story - driven campaign will only take up about eight hours of your time, but the plentiful and creative mulitplayer modes are sure to be a lasting time drain. (kotaku.com)
Known to some as one of the ultimate mulitplayer experiences on Xbox, Halo 3 is now free to download for Xbox Live Gold subscribers until the end of the month. (geardiary.com)
Yup, i believe it's the same mechanics as it is in mulitplayer. (teamworkcast.com)