sadly, no. no one has managed to do this on computer. on xbox, this will never be possible.
some missions have the, but some you cant and in matchmaking you cant.
No, future games from ODST have "Firefight" were players fight against cpu generated enemies, but otherwise no.
yes in co-op campaign
There are no CPU players for multiplayer in Halo Reach.
There is no way to.
Go into Combat Training and go to settings and you can choose how many CPU's you can play against.
No, you cant. Your only able to play buddies on split screen
Yes. go to multiplayer>local>edit game options>enemies you can also go to friends and hve CPU on your team.
You can't. Its impossible. If you've ever played a game like this, then it was hacked.
No but in Black Ops they have a mode called Combat Training where you can set the difficulty of the enemy/teammates.
You can't
You need to install bots. You can find some at the related link below.
you can play against the cpu or people around the world you can trade cards in the game
Hacks are bad.... So don't hack!!! (On the contrary, there are infact hacks, but , as of now there are no good multiplayer "hacks". But if you fight a CPU in multiplayer and win it counts as a win. This is a bit outdated and MAY be fixed).
yes.