Name Offset: 0x01f9f11c

Prestige Offset: 0x01ff9a9c

XP Required Offset(Aka, your rank): 0x01ff9a94

Score Offset: 0x01ff9aa4

Kills Offset: 0x01ff9aa8

Deaths Offset: 0x01ff9ab0

Assists Offset: 0x01ff9ab8

Headshots Offset: 0x01ff9abc

Time Played Offset: 0x01ff9ac8 & 0x01ff9acc

Wins Offset: 0x01ff9adc

Loses Offset: 0x01ff9ae0

Ties Offset: 0x01ff9ae4

Win Streak Offset: 0x01ff9ae8

Kill Streak Offset: 0x01ff9aac

All Accolades Offset: 0x01ff9297 - 0x01ff944f

Class Name Offset: 0x01ff9e6e

Complete challenges (Unlock all titles,emblems, camos, attachments, etc.) (You must be lvl 70, or you will only get the weapon titles & emblems)
Offset: 0x01ffa0c7 - 0x01ffa2a7

Night Vision Offset: 0x014fa75b set to 03 (It will show on you left dpad) or 0x014fa765 (Will show on right dpad) you will now have two
Client 0: 0x014FA75B
Client 1: 0x014FDE5B
Client 2: 0x0150155B
Client 3: 0x01504C5B
Client 4: 0x0150835B
Client 5: 0x0150BA5B
Client 6: 0x0150F15B
Client 7: 0x0151285B
Client 8: 0x01515F5B
Client 9: 0x0151965B
Client 10: 0x0151CD5B
Client 11: 0x0152045B
Client 12: 0x01523B5B
Client 13: 0x0152725B
Client 14: 0x0152A95B
Client 15: 0x0152E05B
Client 16: 0x0153175B
Client 17: 0x01534E5B
Client 18: 0x0153855B

Ammo Offset: 0x014fa5ee
Client 0: 0x014FA5EE
Client 1: 0x014FDCEE
Client 2: 0x015013EE
Client 3: 0x01504AEE
Client 4: 0x015081EE
Client 5: 0x0150B8EE
Client 6: 0x0150EFEE
Client 7: 0x015126EE
Client 8: 0x01515DEE
Client 9: 0x015194EE
Client 10: 0x0151CBEE
Client 11: 0x015202EE
Client 12: 0x015239EE
Client 13: 0x015270EE
Client 14: 0x0152A7EE
Client 15: 0x0152DEEE
Client 16: 0x015315EE
Client 17: 0x01534CEE
Client 18: 0x015383EE

Current clip ammo Offset: 0x014fa66f
Client 0: 0x014FA66F
Client 1: 0x014FDD6F
Client 2: 0x0150146F
Client 3: 0x01504B6F
Client 4: 0x0150826F
Client 5: 0x0150B96F
Client 6: 0x0150F06F
Client 7: 0x0151276F
Client 8: 0x01515E6F
Client 9: 0x0151956F
Client 10: 0x0151CC6F
Client 11: 0x0152036F
Client 12: 0x01523A6F
Client 13: 0x0152716F
Client 14: 0x0152A86F
Client 15: 0x0152DF6F
Client 16: 0x0153166F
Client 17: 0x01534D6F
Client 18: 0x0153846F

Wallhack Offset: 0x014fa313 change to 55
Client 0: 0x014FA313
Client 1: 0x014FDA13
Client 2: 0x01501113
Client 3: 0x01504813
Client 4: 0x01507F13
Client 5: 0x0150B613
Client 6: 0x0150ED13
Client 7: 0x01512413
Client 8: 0x01515B13
Client 9: 0x01519213
Client 10: 0x0151C913
Client 11: 0x01520013
Client 12: 0x01523713
Client 13: 0x01526E13
Client 14: 0x0152A513
Client 15: 0x0152DC13
Client 16: 0x01531313
Client 17: 0x01534A13
Client 18: 0x01538113

ac130 vision offset: 0x014fa311 set to 99 10 0c
Client 0: 0x014FA311
Client 1: 0x014FDA11
Client 2: 0x01501111
Client 3: 0x01504811
Client 4: 0x01507F11
Client 5: 0x0150B611
Client 6: 0x0150ED11
Client 7: 0x01512411
Client 8: 0x01515B11
Client 9: 0x01519211
Client 10: 0x0151C911
Client 11: 0x01520011
Client 12: 0x01523711
Client 13: 0x01526E11
Client 14: 0x0152A511
Client 15: 0x0152DC11
Client 16: 0x01531311
Client 17: 0x01534A11
Client 18: 0x01538111

Sceondary Weapon Ammo Clip: 0x014fa657
Client 0: 0x014FA657
Client 1: 0x014FDD57
Client 2: 0x01501457
Client 3: 0x01504B57
Client 4: 0x01508257
Client 5: 0x0150B957
Client 6: 0x0150F057
Client 7: 0x01512757
Client 8: 0x01515E57
Client 9: 0x01519557
Client 10: 0x0151CC57
Client 11: 0x01520357
Client 12: 0x01523A57
Client 13: 0x01527157
Client 14: 0x0152A857
Client 15: 0x0152DF57
Client 16: 0x01531657
Client 17: 0x01534D57
Client 18: 0x01538457

Secondary ammo offset: 0x014fa5df
Client 0: 0x014FA5DF
Client 1: 0x014FDCDF
Client 2: 0x015013DF
Client 3: 0x01504ADF
Client 4: 0x015081DF
Client 5: 0x0150B8DF
Client 6: 0x0150EFDF
Client 7: 0x015126DF
Client 8: 0x01515DDF
Client 9: 0x015194DF
Client 10: 0x0151CBDF
Client 11: 0x015202DF
Client 12: 0x015239DF
Client 13: 0x015270DF
Client 14: 0x0152A7DF
Client 15: 0x0152DEDF
Client 16: 0x015315DF
Client 17: 0x01534CDF
Client 18: 0x015383DF

3rd Person offset: 0x014fa313 change to 02 or 0a
Client 0: 0x014FA313
Client 1: 0x014FDA13
Client 2: 0x01501113
Client 3: 0x01504813
Client 4: 0x01507F13
Client 5: 0x0150B613
Client 6: 0x0150ED13
Client 7: 0x01512413
Client 8: 0x01515B13
Client 9: 0x01519213
Client 10: 0x0151C913
Client 11: 0x01520013
Client 12: 0x01523713
Client 13: 0x01526E13
Client 14: 0x0152A513
Client 15: 0x0152DC13
Client 16: 0x01531313
Client 17: 0x01534A13
Client 18: 0x01538113

HEALTH Offset: 0x014fa313 - 0x014f3006 change the 00 00 00 64 to 35a4e900 (search your name)

Invisible Offset: 0x014fd54f change the 07 to 06 
Client 0: 0x014FD54F
Client 1: 0x01500C4F
Client 2: 0x0150434F
Client 3: 0x01507A4F
Client 4: 0x0150B14F
Client 5: 0x0150E84F
Client 6: 0x01511F4F
Client 7: 0x0151564F
Client 8: 0x01518D4F
Client 9: 0x0151C44F
Client 10: 0x0151FB4F
Client 11: 0x0152324F
Client 12: 0x0152694F
Client 13: 0x0152A04F
Client 14: 0x0152D74F
Client 15: 0x01530E4F
Client 16: 0x0153454F
Client 17: 0x01537C4F
Client 18: 0x0153B34F
(This will also hide you from the leaderboards in the game)
---------------------------------
Lethal Grenade Offset: 0x014fa5af
-----------------------------------
Tactical Grenade Offset: 0x014fa5b3
-----------------------------------
Tactical Grendade IDs:
02 Stun Grenade
-----------------------------------
No Clip Offset:
Go to your health offset, then scroll down a bit and you see 

numbers changing. In those numbers you will see a FF FF FF FF. 

Right before the FF FF FF FF, there is a 00 change the 00 to 03
-----------------------------------
Spectator Offset: look above your health offset, you will see a 

bunch of FFFFFFFFFFFFFFF, right before them there is 00, change 

it to 02
-----------------------------------
Individual Super Speed Offset: go to your health offset, and 

below you will see 3F 80 change the 80 to FF FF FF FF. So it 

will look like this, 3F FF FF FF FF
----------------------------------
In Game prestige: Right below your health
-----------------------------------
In game clan tag: Right below your health

Founded By woohoo12345

MW2 offline offsets

player 1:

For stats add 2003 to online offsets (posted by primetime) for offline e.g.prestige 0x01ff9a9c + 2003 = 0x1FFBA9F

primary ammo clip: 0x014e24ee change to FF FF (still have to reload)

secondary ammo clip: 0x014e24de same as primary

leathle ammo: 0x014e2563 change to FF

tactical ammo: 0x014e257b change to FF

ac-130 vision: 0x014e2211 change to 90 10 0C

red boxes/thermal: 0x014e2213 change to 55 for reb boxes and 99 for red boxes and thermal


Guest 2:

Just add 3700 to the offsets from player one

UFO Mode

Online Offset

0x014EC423 // Client 0
0x014E5623 // Client 1
0x014E8D23 // Client 2
0x014EC423 // Client 3
0x014EFB23 // Client 4
0x014F3223 // Client 5
0x014F6923 // Client 6
0x014FA023 // Client 7
0x014FD723 // Client 8
0x01500E23 // Client 9
0x01504523 // Client 10
0x01507C23 // Client 11
0x0150B323 // Client 12
0x0150EA23 // Client 13
0x01512123 // Client 14
0x01515823 // Client 15
0x01518F23 // Client 16
0x0151C623 // Client 17
 
Normal Mode: Bytes 00
UFO Mode: Bytes 02
Freez Mode: Bytes 05
Client interval: 14080

Offline Offset

0x014E5623 // Client 0
0x014E8D23 // Client 1
0x014EC423 // Client 2
0x014EFB23 // Client 3
0x014F3223 // Client 4
0x014F6923 // Client 5
0x014FA023 // Client 6
0x014FD723 // Client 7
0x01500E23 // Client 8
0x01504523 // Client 9
0x01507C23 // Client 10
0x0150B323 // Client 11
0x0150EA23 // Client 12
0x01512123 // Client 13
0x01515823 // Client 14
0x01518F23 // Client 15
0x0151C623 // Client 16
0x0151FD23 // Client 17
 
Normal Mode: Bytes 00
UFO Mode: Bytes 02
Freez Mode: Bytes 05
Client interval: 14080
Credits:
- ZeiiKeN ( Offset )

Unlimited Ammo

0F FF FF FF - Unlimited Ammo
-----------------------------------------
- client 0 -
secondary weapons clip - 0x014e24dc
secondary weapons - 0x014e2554
primary clip - 0x014e24ec
primary - 0x014e256c
equipment - 0x014e2560
special grenades - 0x014e2578
-----------------------------------------
- client 1 -
secondary weapons clip - 0x014e5bdc
secondary weapons - 0x014e5c54
primary clip - 0x014e5bec
primary - 0x014e5c6c
equipment - 0x014e5c60
special grenades - 0x014e5c78
-----------------------------------------
- client 2 -
secondary weapons clip - 0x014e92dc
secondary weapons - 0x014e9354
primary clip - 0x014e92ec
primary - 0x014e936c
equipment - 0x014e9360
special grenades - 0x014e9378
-----------------------------------------
- client 3 - 
secondary weapons clip - 0x014ec9dc
secondary weapons - 0x014eca54
primary clip - 0x014ec9ec
primary - 0x014eca6c
equipment - 0x014eca60
special grenades - 0x014eca78
-----------------------------------------
- client 4 - 
secondary weapons clip - 0x014f00dc
secondary weapons - 0x014f0154
primary clip - 0x014f00ec
primary - 0x014f016c
equipment - 0x014f0160
special grenades - 0x014f0178
-----------------------------------------
- client 5 - 
secondary weapons clip - 0x014f37dc
secondary weapons - 0x014f3854
primary clip - 0x014f37ec
primary - 0x014f386c
equipment - 0x014f3860
special grenades - 0x014f3878
-----------------------------------------
- client 6 -
secondary weapons clip - 0x014f6edc
secondary weapons - 0x014f6f54
primary clip - 0x014f6eec
primary - 0x014f6f6c
equipment - 0x014f6f60
special grenades - 0x014f6f78
-----------------------------------------
- client 7 -
secondary weapons clip - 0x014fa5dc
secondary weapons - 0x014fa654
primary clip - 0x014fa5ec
primary - 0x014fa66c
equipment - 0x014fa660
special grenades - 0x014fa678
-----------------------------------------
- client 8 - 
secondary weapons clip - 0x014fdcdc
secondary weapons - 0x014fdd54
primary clip - 0x014fdcec
primary - 0x014fdd6c
equipment - 0x014fdd60
special grenades - 0x014fdd78
-----------------------------------------
- client 9 - 
secondary weapons clip - 0x015013dc
secondary weapons - 0x01501454
primary clip - 0x015013ec
primary - 0x0150146c
equipment - 0x01501460
special grenades - 0x01501478 
-----------------------------------------
- client 10 -
secondary weapons clip - 0x01504adc
secondary weapons - 0x01504b54
primary clip - 0x01504aec
primary - 0x01504b6c
equipment - 0x01504b60
special grenades - 0x01504b78
-----------------------------------------
- client 11 -
secondary weapons clip - 0x015081dc
secondary weapons - 0x01508254
primary clip - 0x015081ec
primary - 0x0150826c
equipment - 0x01508260
special grenades - 0x01508278
-----------------------------------------
- client 12 -
secondary weapons clip - 0x0150b8dc
secondary weapons - 0x0150b954
primary clip - 0x0150b8ec
primary - 0x0150b96c
equipment - 0x0150b960
special grenades - 0x0150b978
-----------------------------------------
- client 13 -
secondary weapons clip - 0x0150efdc
secondary weapons - 0x0150f054
primary clip - 0x0150efec
primary - 0x0150f06c
equipment - 0x0150f060
special grenades - 0x0150f078
-----------------------------------------
- client 14 -
secondary weapons clip - 0x015126dc
secondary weapons - 0x01512754
primary clip - 0x015126ec
primary - 0x0151276c
equipment - 0x01512760
special grenades - 0x01512778
-----------------------------------------
- client 15 -
secondary weapons clip - 0x01515ddc
secondary weapons - 0x01515e54
primary clip - 0x01515dec
primary - 0x01515e6c
equipment - 0x01515e60
special grenades - 0x01515e78
-----------------------------------------
- client 16 -
secondary weapons clip - 0x015194dc
secondary weapons - 0x01519554
primary clip - 0x015194ec
primary - 0x0151956c
equipment - 0x01519560
special grenades - 0x01519578
-----------------------------------------
- client 17 -
secondary weapons clip - 0x0151cbdc
secondary weapons - 0x0151cc54
primary clip - 0x0151cbec
primary - 0x0151cc6c
equipment - 0x0151cc60
special grenades - 0x0151cc78

All credits go to SC58 for this