Double Vision Effect [davidevgen]

NTSC-U 
04257DFC 3F600000
04257DE8 3F600000

PAL
0425811C 3F600000
04258108 3F600000

NTSC-J
04257ABC 3F600000
04257AA8 3F600000

NTSC-K
04257EDC 3F600000
04257EC8 3F600000

Code created by: davidevgen

Lightning Delimiter [Luis]

(NTSC-U)
029BEF8E 00000001
 
(PAL)
029C3796 00000001
 
(NTSC-J)
029C27F6 00000001
 
(NTSC-K)
029B1DD6 00000001

Code Creator: Luis

Anti Freeze From Lightning Delimiters [Luis]

(NTSC-U)
046571D8 60000000
048CDC70 00000000
 
(PAL)
0465B7F4 60000000
048D2728 00000000
 
(NTSC-J)
0465AE60 60000000
048D1878 00000000
 
(NTSC-K)
04649B0C 60000000
048C0BC0 00000000

Code Creator: Luis

God's Controller (GCN) [XeR]

Must have secondary GCN controller plugged into port 2. This code makes Player 2 copy all the exact inputs/movements of Player 1. Therefore, you can play Multiplayer by yourself if desired.

NTSC-U
C21B323C 00000003
2C080000 40A2000C
90C40000 90C40008
60000000 00000000

PAL
C21B32DC 00000003
2C080000 40A2000C
90C40000 90C40008
60000000 00000000

NTSC-J
C21B31FC 00000003
2C080000 40A2000C
90C40000 90C40008
60000000 00000000

NTSC-K
C21B3638 00000003
2C080000 40A2000C
90C40000 90C40008
60000000 00000000

Code created by: XeR

Increase Sensitivity/Handling [Supastarrio]

NOTE: Outdated by JoshuaMK's Handling Modifier.

With this code the Spear becomes more useful.

NTSC-U
0488D5EC 3FE66666
048B1098 3F7F70A4
048B10B0 3F4CCCCD
048B10BC 3FA00000
048B12AC 3DA3D70A
048B11D8 00000000
048B10A0 C0500000

PAL
04891B04 3FE66666
048B5958 3F7F70A4
048B5970 3F4CCCCD
048B597C 3FA00000
048B5B6C 3DA3D70A
048B5A98 00000000
048B5960 C0500000

NTSC-J
04891154 3FE66666
048B4AB8 3F7F70A4
048B4AD0 3F4CCCCD
048B4ADC 3FA00000
048B4CCC 3DA3D70A
048B4BF8 00000000
048B4AC0 C0500000

NTSC-K
0487FF0C 3FE66666
048A3DD0 3F7F70A4
048A3DE8 3F4CCCCD
048A3DF4 3FA00000
048A3FE4 3DA3D70A
048A3F10 00000000
048A3DD8 C0500000

Code creator: Supastarrio

Force Live View (Offline only) [Bully]

NOTE: Outdated by Spaghetti Noppers version that works everywhere.

Also known as Play In Auto Drive Mode.

NTSC-U
0452F558 3B800002

PAL
045340A0 3B800002

NTSC-J
04533A20 3B800002

NTSC-K
045220F8 3B800002

Code creator: Bully

Some Objects Don't Move [Anarion]

The side-to-side Thwomps are frozen. The Crabs and Goombas are frozen.

NTSC-U
046DBE5C 60000000

PAL
046F00B0 60000000

NTSC-J
046EF71C 60000000

NTSC-K
046DE458 60000000

Code created by: Anarion

Simulate Freeze Music [Anarion]

NTSC-U, PAL, & NTSC-J
2834XXXX YYYYZZZZ
04005F74 60000000
CC000000 00000000
04005F74 9C06FFFF
E0000000 80008000

NTSC-K
2833XXXX YYYYZZZZ
04005F74 60000000
CC000000 00000000
04005F74 9C06FFFF
E0000000 80008000

Code created by: Anarion

Instant Stop [mdmwii]

NTSC-U
0457469C EC000672

PAL
0457AF00 EC000672

NTSC-J
0457A880 EC000672

NTSC-K
04568F58 EC000672

Code created by: mdmwii

Deploy Green Shell Speed Modifier [davidevgen]

Other players in WW will see the effects

NTSC-U
048A12E4 XXXXXXXX

PAL
048A5DBC XXXXXXXX

NTSC-J
048A4F1C XXXXXXXX

NTSC-K
0489421C XXXXXXXX

X Values:
41AA0000 = 21.25 kmh
42AA0000 = 85 kmh (Default Speed)
43AA0000 = 340 kmh

Code created by: davidevgen