Spartan ops, forge, campaign, co-op multiplayer
Mostly by playing farming game modes, an example is infection, as when you are a survivor there is no score limit, thus no xp limit.
No, Halo Reach occurs much before Halo 4. In the timeline of the actual world, the games go: Halo Wars Halo: Reach Halo Combat Evolved (And Anniversary) Halo 2 Halo 3 Halo 3 ODST (Same time as Halo 3) Halo 4
There isn't going to be a Halo 4. Halo wars is coming out and I heard somewhere about a game called Halo 3 Recon.
There is no Halo 4 according to Bungie
Yes Halo 4 by 343 industries (basically bungie focused all on halo)
yes, halo 4
Actually Halo 4 is the next game.
halo 4 is coming out and check on youtube or ign for more information
Halo 4
HALO the game no i started playing when i was 4
No the game will not be released in a PS3 version of Halo 4
No, they will not make a Halo 4... But 343 Games will!