With some very interesting gameshark codes, I've been having lots of fun modding SaGa Frontier. Here are the ones I use (not all at once):
--------------------------------
"SAGA FRONTIER - USA"
"Region Map in first inventory slot"
3001288C 00FD
"Region Map filled"
80012B7E 0000
80012B80 0000
"Add Debug Room to RegionMap"
80033cce 02e0
80033cd0 00a0
80033cd2 0000
"Add 2nd Division Room to RegionMap"
80033ca6 036c
80033ca8 0160
80033caa 0060
"Jotnar always appears in Mt. Mosperiburg"
30012A99 000F
"AbyssBat always appears in the Ancient Ship"
30012A9A 000D
"Always fight the EarthDragon in the Bio Lab"
30012B91 0000
"Allow Alkaiser to level up and learn magic/gun techs"
d01a665d 4240
301a665d 0000
"Stats raise by base stat rather than current stat"
D01A6A80 005C
301A6A80 0064
"Freely remove unremovable equipment"
d0064cd4 0080
80064cd4 1021
d0064cd6 3042
80064cd6 0000
d0065ee8 0080
80065ee8 1021
d0065eea 3042
80065eea 0000
"Mystic weapons count toward WP stat growth"
d0192eec 0005
80192eec 01b4
d0192eee 1040
80192eee 9483
d0192ef0 0001
30192ef0 0002
d0192ef2 2402
80192ef2 1040
d0192ef4 01b4
80192ef4 0001
d0192ef6 9483
80192ef6 2402
"Monsters can freely seal and re-equip any abilities they know"
d00691f4 f1ed
800691f4 0000
d00691f6 0c02
800691f6 2402
d0069a44 f1ed
80069a44 0000
d0069a46 0c02
80069a46 2402
d0069242 12c2
80069242 1000
d0087c84 0030
80087c84 00b0
"Turn Cotton into a mec"
30012216 0004
[Turning any monster into a mec basically allows you to view any hidden equipment they have; Cotton for instance has CelestialLeather]
"Turn Cotton back into a monster"
30012216 0008
"Walk Through Walls"
800C3CD0 0F51
800C3CD2 0803
800C3D50 0F8A
800C3D52 0803
800C0AD2 2400
800C0AE4 2400
"Monsters disappear when pressing R2 + X"
D0018014 0042
30013037 0001
"Change T260 to final form type 8 mec"
80010600 3506
80010678 0007
[The following codes allow you to
kinda play as Alkarl from Red's quest by modifying an existing but hidden PC called "Woman" (accessible through the Debug Room)]
"Change Woman into Alkarl (deactivate afterwards)"
30011101 0029
30011104 00C8
30011106 000A
30011107 000A
30011108 001E
30011109 001E
3001110A 000A
3001110B 000A
50000701 0000
3001110E 0014
30011116 0081
30011117 000B
50000801 0000
30011130 0008
30011139 0008
30011142 0006
30011143 0090
"Change Woman into Alkarl (must stay on to maintain effect)"
30033084 0041
30033085 006C
30033086 006B
30033087 0061
30033088 0072
30033089 006C
D001D8E2 1129
3001D8BA 001F
D01A554C 0005
301A554C 0001
"Allow Riki to purchase items from Gozarus"
30012AB5 0000
"Revert Riki-Gozarus code"
30012AB5 00F0
"Allow shield-blocking regardless of ability chosen"
D0180E00 8000
80180E00 0000
"Allow allies to deflect regardless of distance"
D018374C 0060
8018374C 7FFF
"Map Code - Despair"
8001300C 024A
[These map codes basically send your character to places even the filled RegionMap can't send you. There's tons more places than what I have listed here. For more information:
http://echostorms.net/SF1/warp.txt]
"Map Code - Margmel"
8001300C 00A1
"Map Code - Kylin's Paradise"
8001300C 012F
"Map Code - Trinity Base"
8001300C 0193
"Map Code - Chateau Aiguille"
8001300C 01AA
"Map Code - Magic Kingdom"
8001300C 002F
"Map Code - Tanzer"
8001300C 009F
"Map Code - C.T.C. Building"
8001300C 00C7
"Map Code - Timelord's Region"
8001300C 0150
"Map Code - Tartaros"
8001300C 016E
"Map Code - MBlack Base"
8001300C 01A4
"Encounter BigSlimes (VitalityRune)"
30013F01 0002
"Battle Rank set to 9"
3001281C 0085
"Asellus begins battle in Mystic form"
30010516 0043
"Revert Asellus in-battle Mystic code"
30010516 0041
"Respawn Treasures in Mu's Tomb"
30012C84 0000
"Change Dr. Nusakan to Mystic/Human"
30011816 0083
"Change Timelord to Mystic/Human"
30011916 0083
"Kasumi, Godless, and CrossDeflect work with hidden equipment"
D0181108 0008
30181108 000A
"Dodge abilities always work even when unequipped"
d019fbbc 0000
8019fbbc 0080
d019fbbe 0000
8019fbbe 3c09
d019fbd0 0000
8019fbd0 003e
d019fbd2 0000
8019fbd2 3c08
d019fbf0 0000
8019fbf0 3821
d019fbf2 0000
8019fbf2 0080
d019fc54 fea0
8019fc54 011e
d019fc56 3409
8019fc56 90e3
d019fc58 003e
8019fc58 2c00
d019fc5a 3c08
8019fc5a 0003
d019fc5c 3821
8019fc5c 011f
d019fc5e 0080
8019fc5e 90e3
d019fc60 2821
8019fc60 1a00
d019fc62 00e0
8019fc62 0003
d019fc64 0080
8019fc64 2825
d019fc66 94a2
8019fc66 00a3
d019fc68 0000
8019fc68 0120
d019fc6a 0000
8019fc6a 90e3
d019fc6c 1021
8019fc6c 2825
d019fc6e 0049
8019fc6e 00a3
d019fc70 ffff
8019fc70 1006
d019fc72 3042
8019fc72 00c9
d019fc74 0020
8019fc74 1024
d019fc76 2c42
8019fc76 0045
d019fc8c 0080
8019fc8c 015f
d019fc8e 94a2
8019fc8e 24c2
d019fcb8 0008
8019fcb8 0018
d019fcbc ffe9
8019fcbc ffe5
For more codes, you can check out this site:
http://biolab.warsworldnews.com/index.php]