its actually pretty easy its not that complicated
No, you can only play single player on the CoD Black Ops campaign.
You HAVE to complete the campaign. There's no other way you can hack it or buy it.
halo 3
5 Missions, about 6 hours.
5-7hours depending on how good you are. :)
complete the campaign
no but you can get a thundergun. Its in the Kowloon campaign mission collect 2 tape in recorders
you cant do it on campaign only on multiplayer
MW3 is after COD black ops.
By beating the campaign.
By finding it tthroughout the campaign like in all other cod games
The only way to do that is to finish the campaign and play the last level. In that level you will be let out of the room.