Cheats Codes and Walkthroughs for Game Boy Advance GBA: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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Game Boy Advance Mega Man Battle Network 4 Red Sun Cheats, Codes, Hints, Tips and Walkthroughs
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Nintendo Game Boy Advance Strategy Guides Canada:  Game Boy Advance Mega Man Battle Network 4 Red Sun Official Games Strategy Guides Books
UK:           Game Boy Advance Mega Man Battle Network 4 Red Sun Official Games Strategy Guides Books
USA:         Game Boy Advance Mega Man Battle Network 4 Red Sun Official Games Strategy Guides Books
Megaman Battle Network 4 Red Sun/Blue Moon FAQ/Walkthrough - Written by Jim Avery - aka The Sound Defense

How to get the 5 evil chips:

First defeat lacerman or shademan in the undernet with the mystery data. then you have to get the 150 standard chips.then go to the undernet 5 and defeat bass.then jack out and go again to the undernet 5 you will encounter black navis talk with them and accept his challenge and you will get the others evil chip then go to the undernet 6 and find the big hole, now you can delete it.
Sent in by: abpodimon24

Secret VarSword codes  -  Once you get the VarSword chip you can use "secret swords attacks" in every battle you want . When you are in a battle select the VarSword chip , press and hold A and enter this codes quick.

Code Effect
Left,Left-Down,Down,Down-Right and Right Hero Sword Attack
Down,Left,Up,Right and Down Life Sword Attack
Down,Down-Right and Right Long Sword attack
Left,B,Right and B Sonic Slash Attack
Up,Up-Right,Right,Right-Down and Down Wide Sword attack

Passwords

NumberMan Trader Codes  -  When Higsby gets the NumberMan Trader, enter these codes to get the items.

Password Effect

77038416 AirHockey 3 V
25435428 Beat(NC Block)
43494372 Body Pack(NC Block)
05178924 Buster Pack(NC Block)
19095677 ColorPoint *
75420107 Custom2(NC Block)
46292983 FlameLine 1 G
57604335 FlameLine 3 J
59891137 FullEnergy
84625799 FullEnergy
74293099 GunDelSol EX G
30873642 HP+500(NC Block)
97618739 HP+500(NC Block)
27979609 LockEnemy
37198940 LockEnemy
02109544 MegaFolder2(NC Block)
16589650 MiniEnergy
45798331 MiniEnergy
66703422 Recover300 J
73298100 Rush(NC Block)
32108251 Snake R
24247309 SneakRun
89866302 SneakRun
10170506 Tango(NC Block)
88019791 TwinFang 3 G
00274304 Unlocker
94872322 Unlocker
14769745 Untrap
02368995 Untrap
03696458 VariableSword C
68009092 WideShot 3 T

Unlockables  -  First (or All) Seven Save Icons

The Save Icons are as follows:
Unlockable How to Unlock
Forte's Icon Beat ForteSP in Black Earth 2
GigaComplete Get All 5 Giga Chips
MegaComplete Get All 60 Mega Chips
Meteo Red Sun Icon Beat Duo in Normal Mode
PA Complete Use All 30 Program Advances
SoulComplete Get All 6 Souls
StandComplete Get All 150 Standard Chips

Hard Mode/Super Hard Mode
Unlockable How to Unlock
Hard Mode Choose second choice after beating game.
Super Hard Mode Choose the second choice after beating Hard Mode.

Obtaining Giga-Level Battle Chips  -  To obtain the rare giga-level battle chips, you will have to complete some of the game's most arduous tasks. It is expected that you have an almost full-library and high stats before attempting to obtain most of these.

Unlockable How to Unlock  -  Bug Charge Defeat either ShademanSP or LasermanSP without destroying the Green Mystery Data to obtain this giga-level chip.

Darkness Aura S-Rank ForteSP, a random encounter in Black Earth 2 to obtain this chip.
Forte Defeat Forte behind the Standard Gate in the Ura-Internet to obtain this chip.
Holy Dream Bought from a Shop in Ura-Internet 4 for a whopping 100 BugFrags
Red Sun Ray Talk to Yuuichiro at ANSA before the end of the game and he will give you this chip

Secret Battlechips  -  Link with Mega Man Battle Network 4 Blue Moon or Mega Man Battle Network 4 Red Sun player and go to the "Comm" option.Then, go to "Waiting Room". Either the Red Sun player or Blue Moon player must select "Visit", then send the Navis to each other. Go to Higsbys Free Tournament BBS. When defeating the last Navi, you will get there Battlechip, for example a PropBom2 from Air Man and NumrBl2 from Number Man.

Asteroid  -  While in the asteroid and the big magnetic disturbance appears, press [A] as fast as you can to "swim" down. If done fast enough, you will go down and land once it goes away, and be able to continue.

Secret passage way in Undernet1 to a NetDealer  -  When you get to Undernet1, go straight and you will walk under a dragon-like mouth and onto the escalator things on the ground. It will bring you to a square with three paths that you can take. Follow the one on the right. This path then breaks into two others. Again, take the one on the right. When you get to the end, there is a hidden pathway you can take by going up. It will lead you to a NetDealer.

Secret walkway  -  There is an island in Town Area 1 (the one with purple data). You can get there by walking on an invisible path, where the square with all the holes in it are. Walk to one of the edges and you will find the invisible path.

Unlimited Zenny  -  Jack into your computer at home and go towards the first door with the skull on it. When you go there, make sure you are doing a mission like the competition at the dome or something not in ACDC town. When you go there, you find a chip containing money. After getting it, jack out and do the same thing again.

Dark chip warning  -  Be careful if you use Dark chips whenever you can. Eventually Mega Man will be naturally black and you will always start with Dark chips (even during Boss fights); and even if you do not use one, you will still lose health. Also, you will not be able to use your Gunsol EX unless the DS takes over.

Aqua Soul Unison (Blue Moon)  -  Defeat Aqua Man in the first tournament to get his Soul Unison.

Aqua Man V2 ("Blue Moon only)  -  Jack into your PC and go to the first intersection. Go straight. Follow the blue road until the second intersection, then go down. After you follow the road that you went down, there are two roads you can go on. Go to the bottom one. Aqua Man is there.

Aqua Man V3  -  ACDC1 Aqua Man V3 has 1800 HP. Use electric chips to easily defeat him.

Black Earth  -  Get the Bug Charge, Muramasa Blade, Black Wing, Element Dark, and Poison Anubis chips. Find the big hole surrounded with purple slime on a platform in Ura Internet area 6. Approach the hole to get sent to the Black Earth dungeon.

Blue Moon  -  After you defeat Junkman and go through the conversations, just talk to your dad.

Blue Moon Battlechip  -  Talk to your dad after the Blue Moon Tournament, when you get an announcement that the nets have been split.

Bug Chain  -  Defeat ShademanSP or LasermanSP without destroying the Green Mystery Data.

Burn Man V2  -  Burn Man V2 is in park area 2 near the Mystery Data.

Burn Man V3  -  Go to the park area via the home page. Go down the stairs, and go through the curving path under the stairs. Continue advancing through the park areas until you get to an intersection with a main (orange) road pointing northeast, a purple road pointing northwest, a warp point in the middle, and the road you just came from pointing southeast. Go down the purple road pointing northwest and continue until you reach a dead end. Burn Man V3 is there. Note: All directions are from the warp point.

Gunsol1  -  While at the vampire manor in Castillo, check the figure of Django pointing Gunsol at Dracky (the vampire), and you will receive the chip.

Note: To use any of the Gunsol chips, hold [A]. They will go through any kind of defense and will not damage the data bits in battle.

Gunsol2  -  To get the battle chip Gun Del Sol 2, first win Blue Moon/Red Sun tournament. Then, destroy the things blocking various parts of the net around the world. Next, read the email and talk to the official in Yumland net. Get "Townkeydata" from him. After that, go to Town 4 from Town area 2. Find a path to the program and the upper path in the Undernet. Instead, go right with a series of "paths" going down. Insead of going down, go left to a secret path that is invisible. Talk to the Heal Navi and he will give you Gunsol2.

Gunsol 3  -  After you give Solar Boy the S.Sensor and he deletes Shadow Man, he will give you Gunsol 3.

Gut Punch 2  -  With Mega Man Battle Network 4 Blue Moon, link up with Mega Man Battle Network 4 Red Sun. Go to waiting room and get Gutman and any other Navis (more than one is necessary) from Red Sun. Battle Gut Man in the finals and you will get the secret chip Guts Punch 2 when you defeat him.

LifeBlde  -  ShortBldeK, Wide BldeK, Long BldeK.

Lifesword  -  Put Short Sword, Wide Sword, Long Sword in a row all of the same letter, it will make Lifesword just as in Mega Man Battle Network 3.

Piledriver Program Advance  -  To get the Pile Driver Program Advance, get Gunsol 1, Gunsol 2, and Gunsol 3. Put all Gunsol chips in your folder. When you get all three on the chip selection screen, put them in the order: Gunsol 1, Gunsol 2, Gunsol 3, and the Pile Driver Program Advance will occur.

Purple Skull Door Key  -  Make sure you have at least 10,000 Zenny and the C-Slider before attempting to get this. Jack in from an outdoor location (preferably Netfrica). Work your way to Undernet 4 and look around until you see Solar Boy standing near a coffin. Solar Boy states that if he had a certain program he will be able to defeat the menace inside when it escapes. To get the program, travel to Undernet 2 via the Sharo area and talk to the Dark Navi who says "The chip is in Undernet 6". Work your way to Undernet 6 and look for a Dark Navi pacing back and forth. Talk to him and he will offer you the program for 10,000 Zenny. Bring the program back to Solar Boy, then an intermission sequence will start. After the sequence, look inside the now empty coffin to find the Purple Skull Door Key.

Proto Man V2  -  In Mega Man Battle Network 4 Blue Moon, go to Undernet 6. Go to near where the black hole is located. On the way to the warp point, you will see the Black Navi with Django's Sol Gun and a two way road. Go to the left, up the dead end. You will see Proto Man V2. Defeat him to get the Proto Man chip.

Proto Man V3  -  In Mega Man Battle Network 4 Blue Moon, walk around Undernet 6. You will confront him.

Red Sun Battlechip  -  Talk to your dad after the Red Sun Tournament, after you get an announcement that the nets have been split.

Roll Arrow Chip  -  With Mega Man Battle Network 4 Blue Moon, link up with Mega Man Battle Network 4 Red Sun. Go to the waiting room and get Roll and any other Navis (more than one is necessary) from Red Sun. Battle her in the finals of Free Tournament at Higsby's Chip Shop. When you defeat her, you will get the secret chip Roll Arrow.

Search Bomb Battlechip  -  With Mega Man Battle Network 4 Blue Moon, link up with Mega Man Battle Network 4 Red Sun. Go to waiting room and get Search Man and any other Navis (more than one is required).Go to Free Tournament in Higsby's Chip Shop. If you face Search Man in the finals and defeat him, you will get the secret chip Search Bomb.

Easy standard chips  -  To get all 150 standard chips easily, use the Chip Trader Special in Electown in H2 mode. The easiest way to get chips for this is to delete Mettaurs in Lan's doghouse.

Beat Aqua Man  -  Get chips that break panels on your side of the field. When Aqua Man tries to use his Bubble Bomb, it will fall in the hole and does not affect you.
 
Beat Cold Man  -  Notice that Cold Man constantly puts down ice blocks. If you use Junksoul, you can send all the ice blocks he puts down back at him with Poltrgst for massive damage.

Codes

NeoVari Attacks  -  After you get the chip NeoVari N from Undernet5, you can push the A button for a slash that does 240 DMG. But, if you put in certain combonations while you hold the A button down, you can increase the range of the sword.

Code Effect

Down, Right, Up Cross Sword
Up, B, Down, B, Up Double LifeSword
Left, Right, Left, B Super Sonic Boom

Secrets  -  Easily defeat Dark users in Multiplayer  -  In multiplayer, Dark users are very tough because they become the Darksoul when you reduce them to 0 hp. However, if you use a chip or PA that freezes time and deals many hits, you can kill them without allowing them to become the Darksoul. A great example is the Pile Driver PA. Hope this helps you take out those cheap Darkies!

Secret Boss  -  To get past the gate in Ura Internet area 5, you need all 150 regular chips. Once you get past it, you can fight the secret boss, Forte, and get his chip, Forte.

Secret Boss 2  -  After completing the Black Earth dungeon, exit (plug out) and re-enter. You can now encounter Forte SP in Black Earth area 2, and obtain Black Barrier from him.

Secret Boss: Duo SP  -  One more thing to add:

To fight Duo SP, you need to have all the 7 symbols

1 for Duo
1 for Soul Complete
1 for Standard library complete
1 for Mega Library Complete
1 for Giga Library Complete
1 for P.A. Complete
1 for Forte SP

Go back to where Duo was and fight him there!

Secret Dungeon  -  There is a large hole surrounded by purple slime on a platform in Ura Internet area 6. In order to approach it, you need the chips ''Bug Charge'', ''Muramasa Blade'', ''Black Wing'', ''Element Dark'' and ''Poison Anubis''. Once you get close enough, it will suck you down to the secret dungeon, Black Earth.

ACDC Area 1  -  1 Point: Talk to Mr. Prog near the skull gate (purple gate)

ACDC Area 3  -  4 Points: Buy from Green Navi for 3,000 Zennys

Aqua Man V3  -  ACDC1 Aqua Man V3 has 1800 HP. Use electric chips to easily defeat him

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