Hello Ladies and Gentlemen Today I will be showing all you guys how to mod Modern Warfare 3 Spec Ops and Survival Mode.This is the text tutorial to get Level 50 with God mode +Mods.

1. Go onto your Xbox 360 and put in your USB
2. Then configure your USB Stick
3. Start MW3 and it should ask you where you want to save your game progress select you Usb Stick
4. Then go onto campaign and and select new game
5. After that save and quit when you can
6. after you have saved and quited go back to the main page and go onto spec ops
7. select save to memory stick
8. Play a game of survival then kill yourself
9. download these files and save them to your desktop
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10.after you have downloaded these go to your computer and put in your Usb
11.Open up file MW3 Spec Ops Tutorial
12. It should have a sub-folder called horizon
13.double-click it
14.and run horizon.exe
15. after it loads up it should have your USB in the right side of the screen
16. Open your usb and goto the games folder
17. you should then see Modern Warfare 3
18. After that you should see Multiplayer progress for "yourGamertag"
19. Drag that into the main screen
20. it should come up with all of your ids
21. Goto contents and it should say spdata_e(and some numbers)
22. then right-click it and click replace
23. then go into MW3 spec ops tutorial
24. goto spec ops save
25 Then double-click Spdata
26 it will then say file replaced successfully click ok
27 then click save rehash and resign
28 Then it will say Saved rehased and resigned to device click ok
29 Now you have lvl 50 spec ops
30 if you want Godmode+mods drag your MW3 savegame into the main screen
31 then open Mw3 modded spec ops folder on your desktop
32 open spec ops sub folder
33 Then select what vision you want
34 For this tutorial I will use Chrome Vision
35 double click on it
36 and then drag the savegame.svg into horizon
37 copy all of your ids to the savegame you have just dragged into horizon
38 Then after you have don this you can close your original savegame.svg
39 Click save rehash and resign then it will say saved rehashed and resigned click OK
40 Then click save to device
41 it will say "save changes before transferring" click yes
42 It will say Mw3 savegame already exists on device do you want to overwrite it click yes
43 Then plug your usb back into your Xbox
44 sign in
45 go on mw3 press start it will ask you what you want to save it on click usb
46 Click resume game
47 get ready to save and quit as soon as D1GiTal Modz come up on the screen
48 after you've saved and quitted Go on to spec ops
49 It should say your lvl 50 Go onto any map and the Mods should work!
50 You will not get banned for this Have fun -iRawrLouD-

I take no credit for this all credit goes to D1gital Modz
I will add a video tutorial later on in a couple of days