Here's all of them I'd come across:
New Super Mario Bros. Wii [SMNE01]
99 Lives On Death (all players) [hetoan2]:
04060668 38000063
Always Have Item [hetoan2]:
0554CCE4 0000000X
Stage Select Item [hetoan2]:
04354E70 0000000X
Power Up Costume Changer (A button) [hetoan2]:
28C69D06 F7FF0800
0554C894 0000000X
E0000000 80008000
All Upgrades give... [hetoan2]:
C2145B20 00000002
3BE0000X 93FE14E0
60000000 00000000
Have Star Power To start all levels [hetoan2]:
04354E80 00000001
Mario Size Modifier [hetoan2]:
04370DB8 XXXXXXXX
04370DBC XXXXXXXX
For the Size Modifier Use Floating point values. Usually it works although in rare cases it wont :\
For The Item and costume codes replace X with any value from 0-6.
0 = regular mario
1 = super mario
2 = fire flower mario
3 = mini mario
4 = propeller-suit mario
5 = penguin-suit mario
6 = ice flower mario
Exit on Unfinished Level [Thomas83lin]
040CE3D0 3800006C
*level stays black after you beat it but lets you move on to the next level, and once you save then later start the game again without the code the levels go to there normal blue color so i don't really see that as a problem*
Change Quick Save to Regular Save Option [Thomas83lin]
0492FD00 38000002
*Now works on all Save Slots and doesn't alter your save in any way*
Full Invincibility All Players [Thomas83lin]
04146078 38001078
*Not fully tested with player 3 and 4 But should work fine i have no way to fully test this myself Thanks*
Green Yoshi's Color Modifier [Thomas83lin]
077F92DC 00000008
XXXXXxxx 00003BE0
* Blue 3FB79FB0
Red 3FB781C0
Yellow 3FB790B8 *
Always Have 99 Lives (Mario) - No Hat [Jose_Gallardo]
04354E90 00000063
Always Have 98 Lives (Mario) - Keeps Hat [Jose_Gallardo]
04354E90 00000062
*Do not use with the "No Hat" version and vice-versa
Always Have 98 Lives (Luigi) [Jose_Gallardo]
04354E94 00000062
Always Have 98 Lives (Blue Toad) [Jose_Gallardo]
04354E98 00000062
Always Have 98 Lives (Yellow Toad) [Jose_Gallardo]
04354E9C 00000062
P1 Character Mod [Jose_Gallardo]
04354E60 0000000X
P2 Character Mod [Jose_Gallardo]
04354E64 0000000X
P3 Character Mod [Jose_Gallardo]
04354E68 0000000X
P4 Character Mod [Jose_Gallardo]
04354E6C 0000000X
0 = Mario, 1 = Luigi, 2 = Blue Toad, 3 = Yellow Toad
Infinite Fire/Ice Bullets All Players [hetoan2]:
06375AA8 00000020
06375540 00000020
Coins always at 99 [SirPalax]
26354EA0 00000063
04354EA0 00000063
E0000000 80008000
Every time we take a coin the score climbs to 100, gives us a new life and goes to 99.
Timer frozen [mdmwii]
040E39C8 3C0001F4
MoonJump [thomas83lin & mdmwii]
283A1ACA 01FF0400
0554B8F0 40000000
E0000000 80008000
283A1ACA 01FF0600
0554B8F0 40000000
E0000000 80008000
*hold b to lift up*
*WiiMote Only*
Partial Invincibility [thomas83lin]
04145B20 60000000
Full Invincibility P1 [thomas83lin]
0554C878 00000022
All Items 99& Save [SirPalax]
04C7FE68 00636363
04C7FE6C 63636363
All Worlds & Levels\Secret Routes Unlocked\All Stars\All hint movies [thomas83lin]
08C7FECC 000000FF
21600004 00000000
08C8055C 01010101
20100004 00000000
04C7FE90 00000101
04C7FE94 01010101
04C7FE98 01010100
04C7FE60 0E00FE00
0553E514 00008D87
*Only Save Slot 1*
All Worlds Unlocked [thomas83lin]
04C7FE90 00000101
04C7FE94 01010101
04C7FE98 01010100
*Only Save Slot 1*
All Hint Movies Bought [thomas83lin]
08C8055C 01010101
20100004 00000000
*Only Save Slot1*
Transformation [T83LIN\SirPalax\g6flavor]
20C69D08 00001000
82210001 0154CCE4
86000001 00000001
84210001 0154CCE4
2554CCE4 00000006
0554CCE4 00000000
E0000000 80008000
20C69D08 00000400
CC000000 00000000
0554C874 00000030
E0000000 80008000
2154C874 00000030
04354E80 00000002
E0000000 80008000
*Single Player Only*
*Press - to Change Suit*
*Press B to enable Star Power\Yoshi*
*Yoshi only appears on Screen Refresh When Star Power is enabled*