The following are known Gecko Codes for Call of Duty: Modern Warfare – Reflex Edition on Nintendo Wii (Wii).

Mega Custom Class Unlocker
Code Removed! 20th May Wifi Function Deactivated!

-CODE REMOVED! 20th MAY WIFI FUNCTION DEACTIVATED-

wall hack [superman]
05077DAC 420C0000
non host

Join session in progress On/Off [superman]
2817FE0A 00008000
050689D4 01000000
2817FE0A 00000004
050689D4 00000000
E0000000 80008000
Press home for ON and Down for OFF

AC130 [Crashzer]
077FDFE0 00000008
2A9A10F6 000C6140
*Replaces Backlot
*http://i49.tinypic.com/nc0brr.png

Kill House [Crashzer]
077FE04C 00000008
39D06E7E 000B4D00
*Replaces Vacant
*http://i50.tinypic.com/zofgua.png

Jeep Ride [Crashzer]
077FE16C 00000008
39CC0816 000D6A20
*Replaces Pipeline
*http://i47.tinypic.com/o6mude.png

Scout Sniper [Crashzer]
077FE1D8 00000008
39F9F2F6 0009B540
*Replaces Strike
*http://i48.tinypic.com/1zlyt0h.png

Sound Spoofer [Crashzer]
077FE298 00000008
1A5CFC00 00000800
*Game Sounds Robotic

Red Vision [Crashzer]
0494D0D4 6FFFFFFF

Blue Vision [Crashzer]
0494D0D0 6FFFFFFF
*http://i45.tinypic.com/nn0cxd.png

Lime Vision [Crashzer]
0494D0D0 FFFFFFFF

Checkered Map In lobby [Crashzer]
F6000001 8100817F
810761E8 8068D00C
14000010 80EA0AB9
E0000000 80008000
*http://i49.tinypic.com/5wwmt.png
*This code will cause a freeze if you start the game with it activated

Name Of Map Modifier [Crashzer]
06EA075C 00000018
XXXXXXXX XXXXXXXX
XXXXXXXX XXXXXXXX
E0000000 80008000
*http://i50.tinypic.com/11uyys8.png

"Please insert the Disc" Modifier [Crashzer]
060F113C 00000018
XXXXXXXX XXXXXXXX
XXXXXXXX XXXXXXXX
060F13A8 00000018
XXXXXXXX XXXXXXXX
XXXXXXXX XXXXXXXX
E0000000 80008000
*Use this code and eject the disc
* X = Message in hex

Reticle Color Cycler V1.0 [PoptartHunter]
2817FE0A 00000400
0506610C 00000001
CC000000 00000001
0506610C 00000002
CC000000 00000001
0506610C 00000003
CC000000 00000001
0506610C 00000004
CC000000 00000001
0506610C 00000005
CC000000 00000001
0506610C 00000006
CC000000 00000001
0506610C 00000007
CC000000 00000001
0506610C 00000008
CC000000 00000001
0506610C 00000009
E0000000 80008000
*Every time you shoot, the color of your reticle will change.

Auto Shoot On Reload PoptartHunter
0470F4F4 01000000 
*This will make your gun shoot automatically when you reload.

Reticle Color Cycler V2.5
A8000008 00000020 
80000000 8106610C 
86010000 00000001 
2506610C 00000009 
0506610C 00000000 
E2100000 80008000 
*This version cycles the colors automatically without activating.
*V.5 - fixed the freezing caused by a few messed up lines in the code.

Reticle Color Cycler V2.0 PoptartHunter
A8000008 00000020 
80000000 8106610C 
86010000 00000001 
2406610C 00000009 
0406610C 00000000 
E2100000 80008000 
*This version cycles the colors automatically without activating.

Moon Jump Host Only [Seth@WiiPlaza]
2817FE0A FFF70008 [Seth@WiiPlaza]
C0000000 00000004
3D808078 618C44F4
3D604400 616B0000
916C0000 4E800020
4E800020 00000000
C0000000 00000004
3D808107 618C387C
3D606904 616B5951
916C0000 4E800020
4E800020 00000000
E0000000 80008000
*press UP for moon Jump

Instant Level 55 [Seth@WiiPlaza]
C0000000 00000004
3D808090 618C8600
3D600028 616B6425
916C0000 4E800020
4E800020 00000000
E0000000 80008000

All Players Have Infinite Health (Host Only) [Seth@WiiPlaza]
C0000000 00000004
3D606000 3D80803A
398C6F2A 616B0000
916C18DE 4E800020
4E800020 00000000
E0000000 80008000

Give Laser On Weapon [Seth@WiiPlaza]
2817D6E0 00008000
0506E53C 01000000
C0000000 00000004
3D600100 3D808106
398C7FFF 616B0000
916C64F5 4E800020
4E800020 00000000
E0000000 80008000
*press home on wiimote to activate
*credits to ozelot

Infinite Ammo All Players (Host Only) [Seth@WiiPlaza]
2817D6E0 00008000
C0000000 00000004
3D808078 618C4700
3D600000 616B0001
916C0000 4E800020
4E800020 00000000
C0000000 00000004
3D80802D 618C95F4
3D606000 616B0000
916C0000 4E800020
4E800020 00000000
E0000000 80008000
*press HOME to activate

Rapid Fire (All Players+HostOnly) [Seth@WiiPlaza]
2817D6E0 00008000
C0000000 00000004
3D80802D 618CBBEC
3D606000 616B0000
916C0000 4E800020
4E800020 00000000
E0000000 80008000
*Press Home To activate

Infinite Ammo All Players (Host Only) [Seth@WiiPlaza]
2817D6E0 00008000
C0000000 00000004
3D808078 618C4700
3D600000 616B0001
916C0000 4E800020
4E800020 00000000
C0000000 00000004
3D80802D 618C95F4
3D606000 616B0000
916C0000 4E800020
4E800020 00000000
E0000000 80008000
*press HOME to activate

Rapid Fire (All Players+HostOnly) [Seth@WiiPlaza]
2817D6E0 00008000
C0000000 00000004
3D80802D 618CBBEC
3D606000 616B0000
916C0000 4E800020
4E800020 00000000
E0000000 80008000
*Press Home To activate

Reticle Color Cycler (outer) [BoxNinja]
A8000008 00000020
80000000 81066154
86010000 00000001
25066154 00000009
05066154 00000000
E2100000 80008000
*Huge thanks to PoptartHunter for the address range

Reticle Style Cycler [BoxNinja]
A8000008 00000020
80000000 810660C4
86010000 00000001
250660C4 00000009
050660C4 00000000
E2100000 80008000
*Huge thanks to PoptartHunter for the address range

Running While Walking [BLiTz*]
04785B84 FFFFFFFF

Bunny Hop Movement [BLiTz*]
04785B84 01000000

Disable Knifing All Players [BLiTz*]
050750AC FFFFFFFF
FFFFFFFF 00000000
E0000000 80008000
050750F4 FFFFFFFF
FFFFFFFF 00000000
E0000000 80008000
0507513C FFFFFFFF
FFFFFFFF 00000000
E0000000 80008000
05075184 FFFFFFFF
FFFFFFFF 00000000
E0000000 80008000

Auto Teams [BLiTz*]
050687DC 0X000000
X Values:
1: On
0: Off

Ingame Color Name Changer [BLiTz*]
050715E4 RRGGBBAA

Silent Running/Walking [BLiTz*]
05074374 7F000000

Individual Ping Color Modifier [BLiTz*]
05071288 RRGGBBAA
050712CF RRGGBBAA
05071318 RRGGBBAA
05071360 RRGGBB80
In order:
(High Ping-RED)
(Med. ping-YELLOW)
(Low Ping-LIGHT GREEN
(Ping Bar Background)Keep the 80 there.

Jump and Kill Yourself [BLiTz*]
047844F4 FFFFFFFF

modify kill & score [xcoopa]
04785AD2 00000xxx
04785ADA 00000xxx

Activator version
modify kill & score [xcoopa]
2817D6E0 00008000
CC000000 00000001
04785AD2 00000xxx
04785ADA 00000xxx
E0000000 80008000
use HOME botton to turn on

The Piss off Code [xcoopa]
2817D6E0 00008000
CC000000 00000001
0417FFB4 FFFFFFFF
E0000000 80008000
give this code to some one you dont like.it will bring up the menu over and over.

Gun rectical enhancer [xcoopa]
2817D6E0 00008000
CC000000 00000001
05066A0C 40834466
81066164 0000000X
E0000000 80008000
Press Home to activate reaplce the X with 1 threw 9 changes out side color

Prestige Changer [hetoan2]
04908664 0000000X
use values 0-B (0 through 11th)

Infinite Ammo all players ON [hetoan2]
042D969C 380000FF

Infinite Ammo all players OFF [hetoan2]
042D969C 7C040050

Moon Jump host only [hetoan2]
2817FE0A FFF70008
047844F4 44000000
E0000000 80008000

Rapid fire host only [hetoan2]
04784500 00000000

XP modifier (doesnt unlock and breaks level ups) [hetoan2]
04908600 00XXXXXX

Level 55 [hetoan2]
04908600 00286425

non-host nick mod slot 1 [hetoan2]
067F72C4 000000YY
XXXXXXXX XXXXXXXX

Inf HP host only [hetoan2]
05556BB0 00000000

Inf HP all players ON [hetoan2]
043A8808 60000000

Inf HP all players OFF [hetoan2]
043A8808 90130170

rapid fire all players ON [hetoan2]
042DBBE8 60000000

rapid fire all players OFF [hetoan2]
042DBBE8 80030448

Golden Guns on Weapon Slot 3 [hetoan2]
00907A61 00000006

Ammo swapper ON [hetoan2]
042C9E84 380000XX

Ammo swapper OFF [hetoan2]
042C9E84 80030104

Speed Modifiers [hetoan2]
04785B84 XXXXXXXX
04787484 XXXXXXXX
04788D84 XXXXXXXX
0478A684 XXXXXXXX
0478BF84 XXXXXXXX
0478D884 XXXXXXXX
0478F184 XXXXXXXX
04790A84 XXXXXXXX
04792384 XXXXXXXX
04793C84 XXXXXXXX

Name Modifier - Ingame [hetoan2]
06785BDC 000000YY
XXXXXXXX XXXXXXXX

clan tag modifier [hetoan2]
04785C18 XXXXXXXX
04785C1C XXXXXXXX

No Damage Visuals for falling [hetoan2]
04785C98 00000000

Total Control mode (C+Z to enable, C,Z,+B to disable) [hetoan2]
2817FE0A 00006000
04785C68 000000FF
E0000000 80008000
2817FE0A 00006400
04785C68 00000000
E0000000 80008000

Gravity modifier [hetoan2]
05750000 3F8F0000
05750004 00000000
05750008 3F720000
C22CD2CC 00000005
3E808175 C0B40004
FC002840 41800010
C0340000 EC010032
4800000C C1D40008
EC0E0032 00000000

Gravity Modifier OFF [hetoan2]
042CD2CC EC010032

All Easy Challenges UN-Done [hetoan2]
02907B70 00500101

All Easy Challenges Done [hetoan2]
02907B70 0050FFFF

Teleporter [hetoan2]
2817FE0A 00008000
82210000 007844E0
82210001 007844E4
82210002 007844E8
E0000000 80008000
2817FE0A 00001000
84210000 007844E0
84210001 007844E4
84210002 007844E8
E0000000 80008000
2817FE0A 0000C000
82210003 007844E0
82210004 007844E4
82210005 007844E8
E0000000 80008000
2817FE0A 00005000
84210003 007844E0
84210004 007844E4
84210005 007844E8
E0000000 80008000
2817FE0A 0000A000
82210006 007844E0
82210007 007844E4
82210008 007844E8
E0000000 80008000
2817FE0A 00003000
84210006 007844E0
84210007 007844E4
84210008 007844E8
E0000000 80008000

non-host name changer 2 [hetoan2]
067F72E4 000000YY
XXXXXXXX XXXXXXXX

Points Mod Team 1 [hetoan2]
04781908 00000XXX

Points Mod Team 2 [hetoan2]
04781904 00000XXX

Deaths Modifier [hetoan2]
04785984 00000XXX

Kills Modifier [hetoan2]
04785988 00000XXX

Personal Points Modifier Modifier [hetoan2]
04785980 00XXXXXX

99 k/d/a All players [hetoan2]
043EF480 7C7CE92E
00000000 00000000
C23EF480 00000002
38600063 7C7CE92E
60000000 00000000

non-host name changer slot 3 [hetoan2]
067F7304 000000YY
XXXXXXXX XXXXXXXX

prestige cycler [hetoan2]
8201000F 00908667
2817FE0A FFF70008
A8000000 F0000000
8600000F 00000001
E0000000 80008000
2817FE0A FFFB0004
A8000000 F0000000
8600000F FFFFFFFF
E0000000 80008000
8401000F 00908667
2C908666 0000000B
00908667 00000000
E0000000 80008000

Team You Are On Modifier [hetoan2]
04785BA8 0000000X
X values:
0 - team 1's spectator mode (can still kill)
1 - team 1
2 - team 2
3 - spectator (can still kill)
4 - team 2's spectator mode (can still kill)

Max Ammo Multiplier [hetoan2]
050740A4 XXXXXXXX

See-through Walls [hetoan2]
05077B6C 60000000

Regular Walls (for activators) [hetoan2]
05077B6C 00000000

Gamespeed Multiplier [hetoan2]
050618C4 XXXXXXXX
X's should be floating points converted to HEX

Force Host [hetoan2]
050683A4 00000000

No Wait Time between Invites [hetoan2]
05069514 00000000

Gravity Modifier [hetoan2]
05080C44 XXXXXXXX
use floating points 800inches/second is default

Lagometer Display [hetoan2]
0506D7BC 01B00000

FPS Display [hetoan2]
0506CACC 01000000

Prestige modifier
04908664 0000000X
use values 0-B (0 through 11th)

X's should be floating points converted to HEX

See-through Walls [hetoan2]
05077B6C 60000000

Regular Walls (for activators) [hetoan2]
05077B6C 00000000

Force Host [hetoan2]
050683A4 00000000

No Wait Time between Invites [hetoan2]
05069514 00000000

Gravity Modifier [hetoan2]
05080C44 XXXXXXXX
use floating points 800inches/second is default

Lagometer Display [hetoan2]
0506D7BC 01B00000

FPS Display [hetoan2]
0506CACC 01000000

Moon Jump [Sharkbyte]
2817D6E0 FFF70008
04725130 43F80000
E0000000 80008000
2817D6E0 FFFB0004
04725130 40840000
E0000000 80008000
offline only
press up to jump and down to land safely
you will die if you don't press down in time

Infinite Ammo/explosives/Grenades/Grenade Launcher [matt123337]
042DA3D0 60000000

Infinite HP [matt123337]
043B58BC 60000000

Max Online Score prank [matt123337]
048D2FB4 7FFFFFFF
Just a joke to mess with people (on the same wii)... makes it look like your score is really high (doesn't actually change!)!

Universal Codes (any/all regions)

Checkered Map In lobby [Crashzer]
F6000001 8100817F
810761E8 8068D00C
14000010 80EA0AB9
E0000000 80008000
*http://i49.tinypic.com/5wwmt.png
*This code will cause a freeze if you start the game with it activated

Campaign Codes

No Clip [Bully@Wiiplaza]
2817FE0A 7FFF8000
F6000001 80108100
8003B854 2C000000
2817FE0A FEFF0100
14000000 38000001
CC000000 00000000
14000000 8003B854
E0000000 80008000
*Press Home on Main Menu to activate code*
*Press 1 to toggle ON/OFF*

God Mode [Bully@Wiiplaza]
2817FE0A 7FFF8000
F6000001 80008100
80180190 2C000000
F4000000 022C0002
38000001 9818017F
80180190 00000000
E0000000 80008000
*Press Home on Main Menu to activate code*
*Total Invincibility*

Infinite Ammo [Bully@Wiiplaza]
2817FE0A 7FFF8000
F6000001 80008100
7C9D0214 A8840178
14000010 38000001
14000418 38800000
E0000000 80008000
*Press Home on Main Menu to activate code*
*Infinite Weapon Ammo & Grenades*

All Missions Unlocked [Bully@Wiiplaza]
2817FE0A 7FFF8000
F6000001 81008180
3F800000 3F19999A
140001EC 01000000
E0000000 80008000
*Press Home on Main Menu to activate code*
*Non-permanent*
*Video: http://www.youtube.com/watch?v=vwNyAs25VB8

Multiplayer Codes

Infinite Ammo [Bully@Wiiplaza]
20152BA4 FFFFFFFA
F6000001 80008100
A80301F4 7C040050
14000004 60000000
E0000000 80008000
*Host All-Players*

God Mode [Bully@Wiiplaza]
20152BA4 FFFFFFFA
F6000001 80008100
9003000C 80130150
14000004 38001001
E0000000 80008000
*Host All-Players*
*Total Invincibility*
*Hold a grenade until it explodes to die*

Noclip [Bully@Wiiplaza]
20152BA4 FFFFFFFA
F6000001 80008100
54000290 901E00CC
2817FE0A 7FFF8000
14000008 38000001
CC000000 00000000
14000008 801E17A4
E0000000 80008000
*Host All-Players*
*Press Home to toggle ON/OFF*

No Recoil [Bully@Wiiplaza]
20152BA4 FFFFFFFA
F6000001 80008100
FC013040 4C411382
1400000C 60000000
E0000000 80008000
*Non-Host*
*Credits to WiiOS_Ozelot*