Auto forms

Go to mega's menu and press select then you'll see a blank screen press the correct blank spots which is coded in letters below.The ones I'm going to do are the form codes.After you transform into one of them you automatically turn into that form you used at the start of the battle but if you want to turn back into normal MegaMan you have to reset your game.

[A] [E] [I] [M] [Q]
[B] [F] [J] [N] [R]
[C] [G] [K] [O] [S]
[D] [H] [L] [P] [T]

Code Effect
QRICAE Become Ninja at start of battle
SLNDPC Become Rouge with many boosts at start of battle
IMFCGO Become Saurian at start of battle
ICGOSL Become Tribe King at start of battle
NIFCDG Become Zerker at start at start of battle

With the following code you will obtain a Recover200 battle chip from L.M. Shin. All you have to do is send him the Cipher with this code and you will get it.

Password: BRITEINKG

Effect: Recover200

Use these passcodes on the Omega-Xis screen after pressing select. Press in order as shown to turn SP bosses into DX bosses with more health and stronger attacks. See grid for reference.
[A][E][I][M][Q]
[B][F][J][N][R]
[C][G][K][O][S]
[D][H][L][P][T]

Paaword Effect

BFRGSQ DrkphntmDX
RFSQGB YtiBlzrdDX
GODLTE RogueDX
DOTELG PlsioSrfDX
TEGLOD TrraCndrDX
OSDLTE HollowDX
DSTELO AplloFlmDX
SQBGFR GenAurgaDX
FRGSHB KngFooKdDX
TEOLSD TaurusFireDX
QFRGSM QnOphiucaDX
GRHBSF HarpNoteDX
HBFSRG CancrBubblDX
FNCODB GemnSprkDX

Secret Ending ~ VS. BuraiSX

Once you finish the game with all 6 Title Screen Star Marks, you'll receieve an E-Mail from Solo telling you to level up the 4 In-Game Brothers. The 4 In-Game Brothers can be leveled up by doing their Side Quests. Once you're done with the Side Quests, finish the game once again. A New Epilouge will commence at the end of the Credits. Instead of Solo bringing you to Kodama Town, he'll be his alter-ego Burai and bring you to the Nansca Ruins. He'll want challenge you to a Wave Battle. You'll be able to take control once more, just so you can configure your setups before the fight. Talk to him and the Battle will commence, BuraiSX will have 3500 HP.

After the Battle is Over, you'll receive a Congratulations Picture on Both Screens with all the Voice Actors for the game saying "Congratulations" and laughing having a good time.

Special War Rock Weapon ~ EXE Blaster (BN Buster)

By having the any of the following GBA Games in Slot-2 of the NDS with Ryuusei no Rockman 2:

Battle Network Rockman EXE (Megaman Battle Network)
Battle Network Rockman EXE2 (Megaman Battle Network 2)
Battle Network Rockman EXE3 (Megaman Battle Network 3 White)
Battle Network Rockman EXE3 BLACK (Megaman Battle Network 3 Blue)
Rockman EXE Battle Chip GP (Megaman Battle Chip Challenge)
Rockman EXE4 Tournament Red Sun (Megaman Battle Network 4 Red Sun)
Rockman EXE4 Tournament Blue Moon (Megaman Battle Network 4 Blue Moon)
Rockman EXE4.5 Real Operation
Rockman EXE5 Team of Blues (Megaman Battle Network 5 Team Blues)
Rockman EXE5 Team of Colonel (Megaman Battle Network 5 Team Colonel)
Rockman EXE6 Cyber Beast Greiga (Megaman Battle Network 6 Cybeast Gregar)
Rockman EXE6 Cyber Beast Falzer (Megaman Battle Network 6 Cybeast Falzar)

And either still in or taken out after a saved game. A New Mail message with Goyouda Heiji will be obtained. He'll want you to get Data found in the different Radio Networks.

1/XX: Kodama Town ~ Post Box Radio Network (Already Unlocked)
3/XX: TK Tower 1 ~ Old Binocular Radio Network (Inspect at OphiuchusQueen Scenario)
7/XX: Food Town ~ Forgotten Ice Statue Radio Network (Already Unlocked)
9/XX: Donbura Lake Area 1 ~ Sunken Ship Radio Network (After CondorGeograph Scenario)
11/XX: Nansca ~ Lower Wall Radio Network (After CondorGeograph Scenario)

The Data Items are Diary Entries of an Old Protanganist and also can be read in Items for each of them. Obtaining all of the Data Items gives you an Mail from the Old Protanganist with the "EXE Blaster" attached. Which stats are AT1 | RA5 | CH1.

Slot-2 is also Region Locked for bonuses. Meaning Slot-1's Game must be in Japanese if you want to use Japanese Slot-2 Carts and vice-versa.

CIPHER MAIL

Compose a message to Legendary Master Shin and for the title put "Cipher"(<-Exactly like that) & type in the code.

Password:KREREDZREBNUREHT
Effect: Get plasmagun2 battlecard

Passsword: OTIBNER
Effect: Gives you SrchEye