The Lvl 55 Unlockables are, Golden Desert Eagle, Golden Camo some guns can't have weird... should have all guns all perks, and to get things like red dot sight you have to do achievements, i know them because i have lvl 55 but, sadly i got cod4 but code not work because one person already got i had his and i got the lvl 55 code from a site can't rember though :( but if u want it i will try to find it. I will make a question on "How to get to lvl 55 easy?" and it will have the link!
reach level 72
Nothing. Even on veteran. It's pointless.
In Call of Duty 4: Modern Warfare, the M14 rifle is unlocked at Level 46 in multiplayer.
Level 70 on your 10th prestige.
S.s.d.d.
reach level 72
Unless you can reach level 9999, I doubt you can fully BEAT the Call of Duty Zombies.
You have to reach level 50 to prestige.
Once you reach the prestige Level it will ask you
It is unlocked as one of your perks when you reach level 65.
reach level 50... 14 times
Reach Rank "Sergeant"(level 20) To get the 3rd title. (#3)
When you reach the max level, you can prestige and you start over prestiged.
you will have to play multi player. and you will have to reach level 50, 14 times to reach prestige.
Boot camp i the game room you have to play in until you reach a certain level.
2456 is the highest level reach so far but there are highest levels for all the maps
The only way you can get to the next prestige is to reach level 70 and obtain all XP to Prestige.