These are the codes for the gametypes that weren't released on the wii.
SM8E52
Call Of Duty Modern Warfare3


Custom Gametype Modifier: [???]
281FDYYY 0000ZZZZ
0513A734 800000A0
05133584 800000A0
XXXXXXXX XXXXXXXX
XXXXXXXX XXXXXXXX
E0000000 80008000

[Instructions]
When in Private Match, go to Game Setup, then pick your map first. The mode, just set it to TDM. Then, go to Options. Press your Activator Button and hold it for 2 seconds, and on the top right, things will change. Just change it however you want. If you change something, and the things are wrong, just pres and hold the activator button again. If you finish, but mess up the options, just go back, and you will see that there won't be there. Just do the activator. Then, when your done with the options, you can play. When pressing Start Game, immediately Press and hold your Activator button until the loading screen is finished, then you're done! Enjoy!

[X Values] - Gametypes

Drop Zone:
060000A0 00000008
67726E64 00000000

One in the Chamber:
060000A0 00000008
6F696300 00000000

One Flag CTF:
060000A0 00000008
6F6E6566 6C616700

Gun Game:
060000A0 00000008
67756E00 00000000

Juggernaut:
060000A0 00000008
6A756767 00000000

Team Juggernaut:
060000A0 00000008
746A7567 67000000

Infected:
060000A0 00000008
696E6665 63740000

Arena: (Unreleased Gametype on Xbox360, PS3, PC, Wii)
060000A0 00000008
6172656E 61000000

[Y Values] - Activator Values

WiiMote: 220
CCP: 24A

[Z Values] - Button Values

When you're playing infected (in many lobbies) the players agree not to shoot when they're infected.
I recommend this code for when you're infected.
5 Feet Melee Extender [MasterQ9999]
05129558 01000000
*lunges with ccp and extends range for mote
very helpful.

(if you don't know the vales of the buttons)
WiiMote Button Values:
0008: Up DPAD
0001: Left DPAD
0004: Down DPAD
0002: Right DPAD
1000: Minus
8000: Home
0010: Plus
0200: 1
0100: 2
0800: A
0400: B
4000: C
2000: Z

CCP Button Values:
0001: Up DPAD
0002: Left DPAD
4000: Down DPAD
8000: Right DPAD
1000: Minus (Select)
0800: Home
0400: Plus (Start)
0008: X
0020: Y
0040: B
0010: A
2000: L
0080: ZL
0200: R
0004: ZR

Hope you guys enjoy!