Sorry but I do not think you can on Xbox 360 without hacking, and your XBL account could be suspended if you hack.
Third person can only be accessed while Spectating.When dead you can click space. You cannot play with third person.
you can play in third person
4 players can play in Left 4 Dead 2.
You cant play halo reach in third person. If you do see someone playing in third person on youtube, it means that there watching match that was already played. You can watch in third person but you cant play in third person.
Sign in both controllers in the left 4 dead menu then go to vs when there press play with friends then pick who person (there needs to be one infected and one human) after that pick your level then press start enjoy:)
Left 4 Dead can be played on either PC or Xbox 360.
Yes, you can play left 4 dead 2 on steam if you buy from Gamestop.
Yes you can play online
You have to download Steam on your computer, then Left 4 Dead 2 can be bought from that.
One can definitely play Left 4 Dead on their own. But it is more enjoyable when other people are dying along with you. :)
Install it.
which laptop?