The following are known Gecko Codes for Centipede: Infestation on Nintendo Wii (Wii).

Inf Health [Thomas83Lin]
04070100 38050000

Invincibility [Thomas83Lin]
040728A8 60000000
C207289C 00000002
3D800FA0 919F01F4
60000000 00000000

Unlock All Levels [Thomas83Lin]
C20E1360 00000002
3800FFFF 901F00C8
901F00CC 00000000

Unlock All Characters+Extras [Thomas83Lin]
C20E1364 00000004
38A0FFFF 90BF0004
90BF000C 90BF0010
90BF0014 80BF00CC
60000000 00000000