The following are known Gecko Codes for Arc Rise Fantasia on Nintendo Wii (Wii).

Have Individual Items

Heal Liquid [GMO]
00449115 00000063

Mid Liquid [GMO]
00449116 00000063

High Liquid [GMO]
00449117 00000063

Full Liquid [GMO]
00449118 00000063

MP Quick 1 [GMO]
00449119 00000063

MP Charge 1 [GMO]
0044911A 00000063

MP Quick 2 [GMO]
0044911B 00000063

MP Charge 2 [GMO]
0044911C 00000063

MP Quick 3 [GMO]
0044911D 00000063

MP Charge 3 [GMO]
0044911E 00000063

MP Quick 4 [GMO]
0044911F 00000063

MP Charge 4 [GMO]
00449120 00000063

All Quick [GMO]
00449121 00000063

All Charge [GMO]
00449122 00000063

Specialty S [GMO]
00449123 00000063

Specialty M [GMO]
00449124 00000063

Specialty L [GMO]
00449125 00000063

Revive Bottle [GMO]
00449126 00000063

Full Revive [GMO]
00449127 00000063

Elixir [GMO]
00449128 00000063

Cure Confusion [GMO]
00449129 00000063

Cure Poison [GMO]
0044912A 00000063

Cure Petrify [GMO]
0044912B 00000063

Cure Silence [GMO]
0044912C 00000063

Cure Binding [GMO]
0044912D 00000063

Cure Paralysis [GMO]
0044912E 00000063

Cure Sickness [GMO]
0044912F 00000063

Cure Sleep [GMO]
00449130 00000063

Cure All [GMO]
00449131 00000063

Reset All [GMO]
00449132 00000063

Analyzer [GMO]
00449133 00000063

Strength Potion [GMO]
00449134 00000063

Defense Potion [GMO]
00449135 00000063

Insight Potion [GMO]
00449136 00000063

Resist Potion [GMO]
00449137 00000063

Speed Potion [GMO]
00449138 00000063

Vitality Potion [GMO]
00449139 00000063

Heroism Potion [GMO]
0044913A 00000063

Shield of Ajax [GMO]
0044913B 00000063

Shield of Aegis [GMO]
0044913C 00000063

Sand Castle [GMO]
0044913D 00000063

Regen Wing [GMO]
0044913E 00000063

Phoenix Wing [GMO]
0044913F 00000063

Roc's Wing [GMO]
00449140 00000063

Monster Bait [GMO]
00449141 00000063

Monster Bane [GMO]
00449142 00000063

Exalot [GMO]
0044914F 00000063

Ricoalot [GMO]
00449150 00000063

Wepalot [GMO]
00449151 00000063

Strength Leaf [GMO]
00449152 00000063

Defense Leaf [GMO]
00449153 00000063

Insight Leaf [GMO]
00449154 00000063

Resist Leaf [GMO]
00449155 00000063

Speed Leaf [GMO]
00449156 00000063

Vitality Leaf [GMO]
00449157 00000063

2-Leaf Clover [GMO]
00449158 00000063

4-Leaf Clover [GMO]
00449159 00000063

Bitter Fig [GMO]
0044915A 00000063

Smelly Fungai [GMO]
0044915B 00000063

Chewy Squids [GMO]
00449164 00000063

Chewy Chicken [GMO]
00449165 00000063

Fragrant Petal [GMO]
00449166 00000063

Plant Eyestalk [GMO]
00449167 00000063

Caterpillar Horn [GMO]
00449168 00000063

Mos Powder [GMO]
00449169 00000063

Dark Red Root [GMO]
0044916A 00000063

Frog Oil [GMO]
0044916B 00000063

Honey [GMO]
0044916C 00000063

Wolf Liver [GMO]
0044916D 00000063

Necromush [GMO]
0044916E 00000063

Mansfungi [GMO]
0044916F 00000063

Fowl Meat [GMO]
00449170 00000063

Paw-Like Glove [GMO]
00449171 00000063

Dolly Teaset [GMO]
00449172 00000063

Superb Cocoon [GMO]
00449173 00000063

Rare Ore [GMO]
00449174 00000063

Bear Claws [GMO]
00449175 00000063

Wolf Fangs [GMO]
00449176 00000063

Behemoth Horn [GMO]
00449177 00000063

Misc Codes

Max Rico [AlexWong]
04449E54 0098967F
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Coin [AlexWong]
0444EC68 000F423F
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Have All Items [AlexWong]
02449114 01036363
Including dummy items.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Have All Items [AlexWong]
00449115 002D0063
0044914F 000C0063
02449164 00096363
Without dummy items.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Have All Gems [AlexWong]
0244918C 000F6363
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Complete Monster Encyclopedia [AlexWong]
0244DF50 010C01FF
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Have All Rogress [AlexWong]
0244A73E 00001FFE
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Have All Costumes [AlexWong]
0244939E 003C0101
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Unlocke Limit of Monster Encyclopedia Vertical Camera [AlexWong]
0417BE90 2C000168
0417BE9C 38000000
0417BEB4 38000168
0417BF58 2C000168
0417BF64 38000000
0417BF7C 38000168
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Gain Items Up To Max [AlexWong]
04031D4C 38000063
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Can View Maps Before Getting Them [AlexWong]
04038FF8 60000000
04116544 60000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Enhanced Optical Flying Boat [AlexWong]
041A5148 60000000
041AF0FC 60000000
041B04E0 4800000C
041B0508 4800000C
041F3D80 60000000
041F42A0 60000000
041F435C 60000000
04535C98 43960000
04535C9C 43960000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Gain Exp Multiplier [AlexWong]
040C3654 60000000
040C3658 1FBD00XX
XX=
02 x2
05 x5
0A x10
32 x50
64 x100
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Gain Rico Multiplier [AlexWong]
040C1C0C 60000000
C20C1C1C 00000002
1C0000XX 7C040214
60000000 00000000
XX=
01 x3
04 x5
09 x10
31 x50
63 x100
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Gain WP Multiplier [AlexWong]
040C1BEC 60000000
C20C1BFC 00000002
1C0000XX 7C040214
60000000 00000000
XX=
01 x3
04 x5
09 x10
31 x50
63 x100
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Infinite MP [AlexWong]
0404E380 60000000
0406D730 38040000
040ED574 60000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Infinite RP [AlexWong]
0404ABD8 60000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Combat SP Always 100 [AlexWong]
0404E188 60000000
04050B30 38000064
0406BBD8 60000000
0406D838 60000000
You may also have an effect on the enemies.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

AP9 Fixed Maximum Number of Combat [AlexWong]
04050B6C 38000009
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

AP9 Fixed Number of Combat Recovery [AlexWong]
04050B74 38000009
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Steal Always Success [AlexWong]
04060EB0 60000000
04060EB8 60000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

WP Up To Max [AlexWong]
0403248C 380003E7
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Infinite DP [AlexWong]
040EDAFC 60000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Battle BGM Modify [AlexWong]
040332A0 3BC000XX
XX=00~50
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Party Members Modify [AlexWong]
04449E58 00000000
04449E5C 00000001
04449E60 00000002
04449E64 00000003
04449E68 00000004
04449E6C 00000005
I think that would affect the story.
00 L'Arc
01 Ryfia
02 Serge
03 Rastan
04 Cecille
05 Leslie
06 Alf
07 Adele
08 Niko
09 Clyde
0A Dynos
0B Adele 2
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max L'Arc Status [AlexWong]
04449E80 0000270F
04449E90 0000270F
04449EB4 000F41DC
08449EB8 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Ryfia Status [AlexWong]
04449F38 0000270F
04449F48 0000270F
04449F6C 000F41DC
08449F70 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Serge Status [AlexWong]
04449FF0 0000270F
0444A000 0000270F
0444A024 000F41DC
0844A028 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Rastan Status [AlexWong]
0444A0A8 0000270F
0444A0B8 0000270F
0444A0DC 000F41DC
0844A0E0 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Cecille Status [AlexWong]
0444A160 0000270F
0444A170 0000270F
0444A194 000F41DC
0844A198 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Leslie Status [AlexWong]
0444A218 0000270F
0444A228 0000270F
0444A24C 000F41DC
0844A250 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Alf Status [AlexWong]
0444A2D0 0000270F
0444A2E0 0000270F
0444A304 000F41DC
0844A308 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Adele Status [AlexWong]
0444A388 0000270F
0444A398 0000270F
0444A3BC 000F41DC
0844A3C0 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Niko Status [AlexWong]
0444A440 0000270F
0444A450 0000270F
0444A474 000F41DC
0844A478 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Clyde Status [AlexWong]
0444A4F8 0000270F
0444A508 0000270F
0444A52C 000F41DC
0844A530 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Dynos Status [AlexWong]
0444A5B0 0000270F
0444A5C0 0000270F
0444A5E4 000F41DC
0844A5E8 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Adele 2 Status [AlexWong]
0444A668 0000270F
0444A678 0000270F
0444A69C 000F41DC
0844A6A0 0000639C
20050004 00000000
Please change your equipment once.
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max L'Arc Customise [AlexWong]
00449EDC 00000005
04449EE4 09090909
04449EE8 03030303
04449EEC 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Ryfia Customise [AlexWong]
00449F94 00000005
04449F9C 09090909
04449FA0 03030303
04449FA4 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Serge Customise [AlexWong]
0044A04C 00000005
0444A054 09090909
0444A058 03030303
0444A05C 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Rastan Customise [AlexWong]
0044A104 00000005
0444A10C 09090909
0444A110 03030303
0444A114 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Cecille Customise [AlexWong]
0044A1BC 00000005
0444A1C4 09090909
0444A1C8 03030303
0444A1CC 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Leslie Customise [AlexWong]
0044A274 00000005
0444A27C 09090909
0444A280 03030303
0444A284 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Alf Customise [AlexWong]
0044A32C 00000005
0444A334 09090909
0444A338 03030303
0444A33C 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Adele Customise [AlexWong]
0044A3E4 00000005
0444A3EC 09090909
0444A3F0 03030303
0444A3F4 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Niko Customise [AlexWong]
0044A49C 00000005
0444A4A4 09090909
0444A4A8 03030303
0444A4AC 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Clyde Customise [AlexWong]
0044A554 00000005
0444A55C 09090909
0444A560 03030303
0444A564 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Dynos Customise [AlexWong]
0044A60C 00000005
0444A614 09090909
0444A618 03030303
0444A61C 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Max Adele 2 Customise [AlexWong]
0044A6C4 00000005
0444A6CC 09090909
0444A6D0 03030303
0444A6D4 03030303
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

L'Arc Have All Excel Acts [AlexWong]
00449F03 000000FE
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Ryfia Have All Excel Acts [AlexWong]
00449FBA 000000FE
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Serge Have All Excel Acts [AlexWong]
0044A071 000000FE
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Rastan Have All Excel Acts [AlexWong]
0044A128 000000FE
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Cecille Have All Excel Acts [AlexWong]
0044A1E7 000000FE
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Leslie Have All Excel Acts [AlexWong]
0044A29E 000000FE
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Alf Have All Excel Acts [AlexWong]
0044A355 0000001E
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Adele Have All Excel Acts [AlexWong]
0044A40D 00000060
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Niko Have All Excel Acts [AlexWong]
0044A4C4 0000001E
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Clyde Have All Excel Acts [AlexWong]
0044A583 0000000E
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Dynos Have All Excel Acts [AlexWong]
0044A63B 000000E0
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Adele 2 Have All Excel Acts [AlexWong]
0244A6EC 00008180
0044A6F3 00000001
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove L'Arc Guest Flag [AlexWong]
00449EFC 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Ryfia Guest Flag [AlexWong]
00449FB4 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Serge Guest Flag [AlexWong]
0044A06C 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Rastan Guest Flag [AlexWong]
0044A124 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Cecille Guest Flag [AlexWong]
0044A1DC 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Leslie Guest Flag [AlexWong]
0044A294 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Alf Guest Flag [AlexWong]
0044A34C 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Adele Guest Flag [AlexWong]
0044A404 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Niko Guest Flag [AlexWong]
0044A4BC 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Clyde Guest Flag [AlexWong]
0044A574 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Dynos Guest Flag [AlexWong]
0044A62C 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.

Remove Adele 2 Guest Flag [AlexWong]
0044A6E4 00000000
Hacked by RITZ for NTSC-JP, ported by AlexWong to NTSC-U/C.