Its both Singleplayer and multiplayer
No, Left 4 Dead does not have a split screen option. The only way to play with someone is online.
What u have to do is go to left 4 dead 2 and search for sacrifice and the passing and you have to buy the missions and if u don't want to then you have to get an account and play it online
get it online or from the local stores, http://www.allcdkey.com/Left-4-Dead-PC-Games.html, spend $29.99 for left 4 dead
You need to have the game either on PC or Xbox 360. From there, the menu's will guide you to online play.
Nope, you have to be online, or if more then one person is playing you both must be online
4 players can play in Left 4 Dead 2.
yes u can go to multiplayer and click 2 players not online
Yes, you can. The other two characters will be filled in by AI.
when u play left 4 dead 2 online on computer it is powered by anti cheat servers so maybe it is the same for xbox 360
Before you download it, you have to insert the PC game. Then you can download and play with no monthly or yearly fees.
well on xbox you can't, you have to be online but im not sure about PC