All of these codes are host only, and will ONLY work for YOU.

Clay10 mastercode v4
4A000000 808A4418
60000009 00000000
30000000 XXXXXXXX
4A100000 FFFEEE80
4C000000 00002D80
4A100000 00011180
E2000001 00000000
4A100000 00002D80
62000000 00000000
E0000000 80008000
X = 5th 6th 7th and 8th letter in your name. Colors codes do not count

Inf ammo [Clay10]
48000000 80001194
DE000000 80008180
1800ED74 000003E7
2004000C 00000000
1400ED78 000003E7
E0000000 80008000

God mode MP [Clay10]
48000000 80001194
DE000000 80008180
140111CC 00000003
E0000000 80008000

Moonjump [Clay10]
2820236A 00000008
48000000 80001194
DE000000 80008180
1400E998 44000000
E0000000 80008000

No-Clip [Clay10]
2820236A 00008000
48000000 80001194
DE000000 80008180
140113C8 00000000
CC000000 00000001
140113C8 60000001
E0000000 80008000
Home = on/off

Speed mod [Clay10]
48000000 80001194
DE000000 80008180
140111B0 40100000
E0000000 80008000

Start match early [Clay10]
48000000 80001194
DE000000 80008180
300113C8 00000004
140113C8 00000000
E0000000 80008000

MP custom teleporter [Clay10]
2820236B 00008001
48000000 80001194
DE000000 80008180
92210005 0000E984
92210006 0000E988
92210007 0000E98C
2820236B 00008002
48000000 80001194
DE000000 80008180
94210005 0000E984
94210006 0000E988
94210007 0000E98C
2820236B 00008008
48000000 80001194
DE000000 80008180
9221000A 0000E984
9221000B 0000E988
9221000C 0000E98C
2820236B 00008004
48000000 80001194
DE000000 80008180
9421000A 0000E984
9421000B 0000E988
9421000C 0000E98C
E0000000 80008000

Invisibilty [Clay10]
2820236B 00008000
A8000000 00000001
48000000 80001194
DE000000 80008180
90010000 000111C8
86010000 FFFFFFFF
CC000000 00000001
A8000000 00000001
86010000 00000002
E0000000 80008000

Show X prestige [Clay10]
48000000 80001194
DE000000 80008180
14011234 0000000X
E0000000 80008000
X = prestige in hex

Prestige cycler in-game [Clay10]
A8000008 00000001
48000000 80001194
DE000000 80008180
90010000 00011234
86010000 00000001
30011234 0000000B
14011234 00000000
E0000000 80008000
*don't use with "show x prestige code"

Rapid fire [Clay10]
48000000 80001194
DE000000 80008180
1400EBA4 00000006
E0000000 80008000

*probably the last update of these