Things You'll Need
Instructions
Connect "Pokemon Diamond" to the Action Replay hacking device.
Connect the Action Replay hacking device to your Nintendo DS, by inserting it into the game-cartridge slot.
Turn on your DS system, and select the Action Replay on-screen icon.
Enter the following codes into the "codes" screen.
For Treecko:
94000130 fffb0000
d5000000 000000fc
b21c4d28 00000000
b0000004 00000000
c0000000 0000000b
d7000000 00024620
dc000000 00000006
d2000000 00000000
For Torchic:
94000130 fffb0000
d5000000 000000ff
b21c4d28 00000000
b0000004 00000000
c0000000 0000000b
d7000000 00024620
dc000000 00000006
d2000000 00000000
For Mudkip:
94000130 fffb0000
d5000000 00000102
b21c4d28 00000000
b0000004 00000000
c0000000 0000000b
d7000000 00024620
dc000000 00000006
d2000000 00000000
Press "Start," and then select your "Pokemon Diamond" save file to begin playing. Press and hold the shoulder buttons, to activate the codes.