Command Codes

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Command Codes are input commands that can be performed with the buttons while using a BattleChip or Battle Card, typically powering up the attack or adding an additional effect. These commands are typically secret, rarely hinted at by characters in the game, and were revealed mainly in the official strategy guides.

In Mega Man Battle Network 5 and 6, a sound was given to Navi Chips confirming their input.

Mega Man Battle Network series

Mega Man Battle Network 2

When using the chip, continue to hold the A Button and enter the command:

BattleChip	Command	Effect
BrnzFist	Down, Down-right, Right	ShootingFist
SilvFist	Right, Up, Left, Down, Right	ShootingFist in all 3 rows.
GoldFist	B, Down, Down-right, Right, B	3 ShootingFist in all rows.
VarSwrd	Down, Down-right, Right	Long Sword
	Up, Right, Down	WideSword
	Left, Down-left, Down, Down-right, Right	FighterSword
	Down, Left, Up, Right, Down	LifeSword
	Left, B, Right, B	3 SonicBoom

Mega Man Battle Network 3

When using the chip, continue to hold the A Button and enter the command:

BattleChip	Command	Effect
GutPunch	Down, Down-right, Right	Punch Shot (パンチ発射) & breaking
GutStrgt	B, B, Down, Left, Right, B	3 Punch Shots (パンチ発射) & breaking
GutImpct	Left, B, Down, B, Down, B	MegaManWildDance (ロックマン乱舞), a 5-hit attack & breaking.
VarSwrd	Down, Down-right, Right	LongSword
	Up, Right, Down	WideSword
	Left, Down-left, Down, Down-right, Right	FighterSword
	Down, Left, Up, Right, Down	LifeSword
	Left, B, Right, B	3 SonicBoom
	B, B, Left, Down, Up	ElementSonic, a 4-slash attack

Navi Chips

BattleChip	Effect
BeastMan series	During WildRush, Press A or B while a claw or BeastMan's head is on a panel to do an extra hit to that panel. Alternate A and B for better results. Can be done multiple times on the same panel. Each button press is 1 extra hit and it registers in every frame of the animation, up to 14 hits can be done to a single enemy.
DesertMan series	Press Down + Right + A to send the upper LionHead downward. Press Up + Right + A to send the lower Lion Head upward.
FlameMan series	Hold Up or Down on the + Control Pad to control the trajectory of FireBreath as it moves. Hold down B and press Up, Right, or Down to spread Fire Breath in the two columns after the first one. Press Up to spread FireBreath to the rows above FlameMan. Press Right to spread FireBreath in the row that FlameMan is in. Press Down to spread FireBreath to the rows below FlameMan. Pressing Up, Right, or Down once creates one FireBreath panel and pressing twice creates two panel in that row, but pressing the same direction twice consecutively is not registered. For an easy full spread, simply hold B and rotate the + Control Pad.
MetalMan series	Before MetalMan attacks with MetalFist, hold A and use the + Control Pad to move the target panel.
JapanMan series	While JapanMan is doing his ThousandSpear, quickly press A and B alternating, starting with A. Consecutive same button presses are not registered. After the initial 3 slashes, JapanMan will do 1 extra slash if 6 or 7 buttons were pressed, or 2 extra slashes if 8 or more buttons were pressed. Then, if 3 or more buttons were pressed during the extra slashes, JapanMan will tack on 1 extra hit before the final extending spear attack, for a maximum of 7 total hits.
Punk	For Punk, his attack options will change depending if you obtained Famous’ Wristband from the Number Trader (90690648) and will do x2 its base damage. MadRoller: Default move without Wristband. MadWaveRoller: Activates when MegaMan’s HP is in the red. Default move after obtaining Wristband. Shield&Chain: Before Punk attacks, press Left + B. PunkChain: Hold your B Button Power Attack and position yourself on the middle of your back-most column, then use the chip. Double-Go-Round: Requires Wristband. After performing the conditions for Punk Chain but before Punk attacks, press Down, Right, Down, Right.
DeltaRay	Press A when (but not after) ProtoMan's slashing particles appear, can go up to 2 additional slashes. The timing for these inputs are tight and cannot be button mashed.

Extra

• Timing Guard: If MegaMan is on the receiving end of a Screen Dimming attack, press Left at the moment of impact to halve damage from the attack. This can be used multiple times during the dimming.

Mega Man Battle Network 4

When using the chip, continue to hold the A Button and enter the command:

BattleChip	Command	Effect
VarSwrd	Down, Down-right, Right	LongSword
	Up, Right, Down	WideSword
	Left, Down-left, Down, Down-right, Right	FighterSword
	Down, Left, Up, Right, Down	LifeSword
	Left, B, Right, B	SonicBoom
NeoVari	Down, Right, Up	CrossSword
	Left, Right, Left, B	SuperSonic
	Up, B, Down, B, Up, B	DoubleDream (AKA DoubleLife)
Z Saver	After third slash, press Left + B	SuperSonic

Navi Chips

BattleChip	Effect
FireMan series	Before FireMan attacks, press Down, Right. FireMan will make Lava Panels with his FireArm.
SearchMan series	Press A + B when targeting to have ScopeGun destroy the target's held chips.
MetalMan series	Before MetalMan attacks with MetalFist, hold A and use the + Control Pad to move the target panel.
WoodMan series	Press A + B + Down when WoodMan lands for an extra set of DeathForest towers. This can be button mashed.
ShadeMan series	Before ShadeMan attacks, press to have CrushNoise: Paralyze: Down, Down-right, Right + A Confuse: Down, Down-left, Left + A Forced Movement Bug: Don't press anything
LaserManDS & LaserManSP	Hold A and press a direction for PowerDownLaser: Up: (Brown laser) Reduce target's Buster Attack, Speed and Charge to 1. Down: (Green-blue laser) Remove target's SuperArmor, AirShoes, FloatShoes, UnderShirt, and any B+Left abilities. If it removes UnderShirt and they drop to 0 HP, it will delete them on impact. Left: (Red laser) Reduce the opponent's Custom Screen chip slots by 1. Right: (Yellow laser) If the target has Patch Cards, defaults target's B Button PowerAttack into ChargeShot.

Giga Chips

BattleChip	Effect
DeltaRay	Press A when ProtoMan's slashing particles appear, can go up to 2 additional slashes. These inputs can be button mashed. This chip will trigger AntiNavi but cannot be boosted with Navi+20.

Rockman EXE 4.5 Real Operation

A number of Commands from MMBN4 has been removed.

When using the chip, continue to hold the A Button and enter the command:

BattleChip	Command	Effect
Z Saver	After third slash, press Left + B If Z Saver is slot in via the Battle Chip Gate, the A Button must be pressed after the slot in.	SuperSonic

Navi Chips

BattleChip	Effect
MetalMan series	Before MetalMan attacks with MetalFist, hold A and use the + Control Pad to move the target panel.
WoodMan series	Press A + B + Down when WoodMan lands for an extra set of DeathForest towers. This can be button mashed.
ShadeMan series	Before ShadeMan attacks, press to have CrushNoise: Paralyze: Down, Down-right, Right + A Confuse: Down, Down-left, Left + A Movement Bug: Don't press anything Note: Navis are not affected by Movement Bug, but it still counts as a bug for Static.

Mega Man Battle Network 5

When using the chip, continue to hold the A Button and enter the command:

BattleChip	Command	Effect
VarSwrd	Down, Down-right, Right	LongSword
	Up, Right, Down	WideSword
	Left, Down-left, Down, Down-right, Right	FighterSword
	Down, Left, Up, Right, Down	LifeSword
	Left, B, Right, B	SonicBoom
NeoVari	Down, Right, Up	CrossSword
	Left, Right, Left, B	SuperSonic
	Up, B, Down, B, Up, B	DoubleDream (AKA DoubleLife)
Z Saver	After third slash, press Left + B	SuperSonic

Navi Chips

BattleChip	Effect
GyroMan series	Hold L + R and GyroMan will focus his GyroAirForce on only one enemy.
SearchMan series	Press A + B when targeting to have SnipeGun destroy the target's held chips.
Colonel series	Before Colonel attacks, press Left + B to flip the direction of his ScreenDivide.
ShadeMan series	Before ShadeMan attacks, press to have CrushNoise: Paralyze: Down, Down-right, Right + A Confuse: Down, Down-left, Left + A
LarkMan series	Before/during LarkMan's attack, hold B and press Up, Right, Down for LarkDrive to instantly remove the target's barrier or aura and damage them at the same time. LarkMan will flash green when this is performed.

Giga Chips

BattleChip	Effect
DeltaRay	Press A when ProtoMan's slashing particles appear, can go up to 2 additional slashes. These inputs can be button mashed.

Glitches

• Satelity error
• Cross Divide error

Mega Man Battle Network 6

When using the chip, continue to hold the A Button and enter the command:

BattleChip	Command	Effect
VarSwrd	Down, Down-right, Right	LongSword
	Up, Right, Down	WideSword
	Left, Down-left, Down, Down-right, Right	FighterSword
	Down, Left, Up, Right, Down	LifeSword
	Left, B, Right, B	SonicBoom
NeoVari	Down, Right, Up	CrossSword
	Left, Right, Left, B	SuperSonic
	Up, B, Down, B, Up, B	DoubleDream (AKA DoubleLife)

Navi Chips

BattleChip	Effect
SlashMan series	When the TripleEdge kunais appear, hold B for them to auto-target.
(JP) Django series	While Django rides down, press L, L, L, A for him to do a sword attack after. The sword is not Sword element. The command can be button mashed.

Giga Chips

BattleChip	Effect
DeltaRay	Press A when ProtoMan's slashing particles appear, can go up to 2 additional slashes. These inputs can be button mashed.

Patch Cards

Patch Card	Effect
Mega Man Zero	For the Z Saber Power Attack: After the third slash, press Left + B for a SuperSonic.

Mega Man Network Transmission

When using the chip, continue to hold the Y Button and enter the command:

BattleChip	Command	Effect
VarSwrd	Down, Down-right, Right	LongSword
	Up, Right, Down	WideSword
	Down, Left, Up, Right, Down	LifeSword
	Left, Right, Down-right, Down, Down-left, Left	SonicBlade
	Left, Right, Left, Right, Left, Right	SonicBoom
BrnzFist/ SilvFist/ GoldFist	Down, Down-right, Right	Slow flying punch
	Right, Left, Down-left, Down, Down-right, Right	Fast flying punch

Mega Man Star Force series

Mega Man Star Force 2

Battle Card	Effect
Guardian	Press a direction upon use to make the Murian's condition for attacking change: (Murian has 100 HP and has invis-piercing attack) None: Murian attacks ahead when attacked. Left: Murian attacks when the enemy is invisible/flashing. Right: Murian attacks when the enemy is frozen. Up: Murian attacks all enemies when attacked.
DoubleStone	Press a direction upon use to change the placement of the boulders: None: Summon on panel ahead and 2 panels ahead of that. Left: Summon farthest on left, and closest on right. Right: Summon farthest on right, and closest on left.

Mega Man Star Force 3

Battle Card	Effect
SharkAttack series	Press Up for all Sharks to attack the column ahead.
DoubleStone	Press a direction upon use to change the placement of the boulders: None: Summon on panel ahead and 2 panels ahead of that. Left: Summon farthest on left, and closest on right. Right: Summon farthest on right, and closest on left. Down: Summon both 2 rows ahead on opposite ends.
AcidAce series	Press A once during the first Lock-OnSword to perform a second slash. Mashing the A Button will nullify the command.
JackCorvus & QueenVirgo series	Having the other card in the card selection or Custom Screen will increase the number of hits the card will do.
WingBlade	Before Acid Ace attacks, press to use: Lock-OnSword: L, L, R (invis-pierce) AcidLaser: R, R, L (multi-hit)