Nothing. The multiplayer map-pack is an add-on. Which means you can't play the Multiplayer map pack without Halo 2. The only thing that is different is the maps, that get downloaded to your Xbox when you boot up the multiplayer map pack. The models, textures, gameplay is all exactly the same.
There is multiplayer in halo 4
Campaign made halo 3 pass as a video game, multiplayer made it EXTREMELY popular. Campaign is for you if your alone and theres nothing else to do. Multiplayer is for you if you like to play with other people via the internet, Very competitive as well as laid back, all depends on who your playing with.
there is no difference
The only difference is in the case. The game is the same but the classics version has been recently remade, Seen as though halo is a good game I recommend buying either one. Though the gameplay is unaffected between versions.
you can get all of the skulls on multiplayer. =)
You get the Halo 3 ODST campaign and Halo 3 multiplayer. Nothing else.
yes only multiplayer has the new map packs but you can get them in the DLC
yes ,if you pre-ordered the ame and got the halo 3 full multiplayer expireance if u use that disc
yes of course they do
Halo anniversary has better graphics, halo reach multiplayer, new maps, and different music. However, there is a way to turn the old graphics back on if you want
Halo Combat Evolved is not a Multiplayer game.
No, the Halo 3 game disk has both the campaign and multiplayer mode on it. What might seen confusing is in Halo: ODST, the game comes with two disks. One disk is for the Halo: ODST game and the second disk is for the Halo 3 multiplayer with all the latest map packs on it such as Mythic