Our team at CODCentral has been working on a way to get 10th prestige and has already gotten it figured out. As you remember with MW2, there were multiple ways to achieve 10th prestige but this one is the safest way. Although, we are not responsible for anything you may or may not do. G' Luck!
Step 1: Have Call of Duty Modern Warfare 3 in your possession. Put the game in your Xbox 360. From the Dashboard, click play Call of Duty Modern Warfare 3. Once you get the game on, click past all the intros and hit start, then make sure you're signed into your Xbox Live Account.
Step 2: Go to Multiplayer and go to Elite. It is the new Call of Duty Application on the game. You will need to download the game. It is free and doesn't cost any Microsoft Points. Just go through all the downloads and updates until you have the app. Register for an account on there.
Step 3:Confirm your account via email and log in again to Elite. You will now be on the homescreen at the Elite Summary where you will always start out on. You can do lots of different things in Elite such as see scores, join groups, see matches, and most importantly join clans.
Step 4: This is the most important step. Press Start and go to Connect and then to Find Clans. Once you're on that screen, go to Search. The clan you will join is the next step to get to 10th prestige. To get the clan name, click HERE and once you find it, hit join.
Step 5: Once you join, the clan will now be in your clans. It is a private clan so it won't ever be listed on any main pages. After you're in, you will now go the main clan page and it will say something like ExtraXP, go to that and hit A. It says Extra XP but it will also give you all the titles and callsigns and such. Once you hit that, it will go to a loading screen that will take a few minutes and Elite will automatically sign you out.
Step 6: Now, sign back into Elite and go back to your clan. There should be a message there that says complete and ExtraXP should be grayed out so you can't click it again. Now, go back into the game and see if it worked. If not, then you should be able to try again. After it works, you are done!
Step 7: You now have all 10 prestiges completed, all the weapons and attachments, titles, callsigns, and even all challenges done. Enjoy the game now because you will be able to dominate and not have to worry about leveling up with amateur guns.
Thanks for reading guys and check back often for more info! Visit our other website to get Black Ops 15th Prestige. Just go to the link to see it! Here's what the prestige emblems are for this game!