The following are known Gecko Codes for Final Fantasy Crystal Chronicles: Echoes of Time on Nintendo Wii (Wii).

Infinite HP [AlexWong]
82110000 003A403A
84110000 003A3FC2

Infinite MP [AlexWong]
82110000 003A404E
84110000 003A404A

Max Level [AlexWong]
023A4048 0000C350

Max All Magic Levels [AlexWong]
003A3F2F 00050063

Gain Money Multipler [AlexWong]
040985E0 1C9DXXXX
XXXX=
0002 x2
0005 x5
000A x10
0032 x50
0064 x100
01F4 x500
03E8 x1000
1388 x5000
2710 x10000

Gain Exp Multipler [AlexWong]
C20F5DD4 00000002
1C630XXX 5463043E
60000000 00000000
XXX=
002 x2
005 x5
00A x10
032 x50
064 x100
1F4 x500
3E8 x1000

Have All Materials [AlexWong]
023A4DC4 00000082
083A4DC8 808ABFFA
20810004 00000002
003A50E8 00810063

Have All Jewels [AlexWong]
023A51B4 000000C8
083A51B8 808AC0FE
20C70004 00000002
003A54D8 00C70063

Have All Scrolls [AlexWong]
023C9460 001FFFFF

Have All Scratch Cards [AlexWong]
043A6D30 FFFFFFFE
023A6D34 000BFFFF
043A6D4C 00000007

Hook Key [ZiT]
04004438 4BFFD470

Moon Jump (B button) [ZiT]
287D4BB2 00000400
C2070764 00000002
38002400 901B0090
60000000 00000000
E0000000 80008000
287D4BB2 00000000
04070764 901B0090
E0000000 80008000
041772D0 60000000

Character Size (1P) [ZiT]
48000000 803A3FB4
DE000000 80008180
4A100000 0000003C
14000000 00002000
E0000000 80008000
041772D0 60000000

Speed up [ZiT]
0488A390 00000010
041772E4 60000000

Walk Through Walls (- Button) [ZiT]
287D4BB2 00001000
48000000 803A3FB4
DE000000 80008180
4A100000 000003F4
14000000 10000000
E0000000 80008000
287D4BB2 00000000
48000000 803A3FB4
DE000000 80008180
4A100000 000003F4
14000000 00007000
E0000000 80008000