You start off with the first mission of campaign "Semper Fi". If you complete "Semper Fi" then you unlock "Little Resistance". If you complete "Little Resistance" then you unlock "Hard Landing". If you complete "Hard Landing" then you unlock "Vendetta". If you complete "Vendetta" then you unlock "Their Land, Their Blood".If you complete "Their Land, Their Blood" then you unlock "Burn 'em Out". If you complete "Burn 'em Out" then you unlock "Relentless". If you complete "Relentless" then you unlock "Blood & Iron". If you complete "Blood & Iron" then you unlock "Ring Of Steel". If you complete "Ring Of Steel" then you unlock "Eviction". If you complete "Eviction" then you unlock "Black Cats". If you complete "Black Cats" then you unlock "Blowtorch & Corkscrew". If you complete "Blowtorch & Corkscrew" then you unlock "Breaking Point". If you complete "Breaking Point" then you unlock "Heart of The Reich". "Heart of The Reich" is the last level of the game. Also you can complete any of the Levels on a difficulty.
you have to buy them. you cant 'unlock'
i believe there are 15 prestige levels in call of duty black ops.once compeleted 15th prestige you will unlock gold camo for all of your weapons.
you can unlock them by ranking up to various levels and complete certain challenges.
You finish the missions and continue through the campain
You unlock it after reaching a certain level.
unlimited
On Xbox live you beat all the levels then go to prestige
93
does not exist in cod4.......your thinking of cod5:World At War There is no zombie mode in call of duty 4 giuhkh
3arc unlock
Yes. You unlock the mode once you have completed all the missions.
yes you can you have to beat the game then you will unlock it