Megachips

You cannot have more than five Megachips in your folder, and you can't have more than one of the same megachip. So phbfffft.

Megachips

Name	Picture	Letter	Inflicts Damage	Element	Description	Found at
Anubis		A	-	-	Poisons all enemies while present.	Bought from Higsby
Atk+30		*	-	-	Adds 30 to attacks used before this chip	Shop in Undernet4
Bolt**		B	210	Electric	Information from bRyAn LeE: If there's a block resting on the arena, lightening damages enemies on all squares surrounding block.	Enter 54390805 at the number machine in Higsby's shop
Fountain**		D	240	Water	Information from kahle phillips: You stand behind the hole and use fountain.  Then water will go straight, it might turn but I'm not sure, until it hits the end or another object. Must be in Electric style to use	Enter 88543997 at the number machine in Higsby's shop
FullCust		*	-	-	Custom Gauge is intantly full	Bugfrag Shop in Undernet2, use gargoyle on Hades Isle to get there
GaiaBld**		G	100	Wood	Any chip you select after GaiaBld will have it's power added to GaiaBld. You must be in a Wood style to use this chip. The blade is two squares long. Must be in Wood style to use	Enter 33157825 at the number machine in Higsby's shop
GaiaSwrd**		G	100	Wood	Any chip you select after GaiaSwrd will have it's power added to GaiaSwrd. You must be in a Wood style to use this chip. The blade is one square long. Must be in Wood style to use Thanks to everyone who e-mailed me with this information!	Bought from Higsby
Godstone		S	150	-	If used when a hole is in front of MegaMan, Godstone will appear and randomly attack enemies.	BugFrag Trader in Undernet2, use gargoyle on Hades Isle to get there.
Guardian		O	-	-	Lands in front of MegaMan. If enemy attacks it, enemy is destroyed.	BMD in Undernet7
HeroSwrd		P	180	-	Slashes three squares in front of you.	Enter 03284579 at the number machine in Higsby's shop
Jealousy		J	100	-	More damage is dealth if enemy is holding chips	DNN editing console
LifeAura		D	-	-	Protects from any attack that deals under 200 damage	Scuttles
Ligtning		L	160	Electric	Information from bRyAn LeE: If there's a block resting on the arena, lightening damages enemies on all squares surrounding block. Must be in Electric style to use	Bought from Higsby
Meteors		R	40	Fire	Attacks every enemy panel	BugFrag Trader in Undernet2, use gargoyle on Hades Isle to get there.
Muramasa		M	Damage equal to amount of HP lost	-	Damage equal to amount of HP lost	Enter 50098263 at the number machine in Higsby's shop
Navi+40		*	-	-	Adds 40 damage to Navi chips used before this one	Win it from the Quiz King
OldWood		W	100	Wood	If used when a hole is in front of MegaMan, Oldwood will appear and randomly attack enemies.	Bought at Undernet Square
Poltrgst		G	-	-	Items resting on panels are thrown at enemies.	Basement of Hospital, behind the tree
Salamander**		S	300	Fire	Draws fire from a hole. Similar to Lightening and Bolt chips. Must be in Fire style to use	Enter 65497812 at the number machine in Higsby's shop
StandOut**		P	220	Fire	Draws fire from a hole. Similar to Lightening and Bolt chips. Must be in Fire style to use	Bought from Higsby
WatrLine**		C	180	Water	Thanks to Donna for pointing out the mistake You stand behind the hole and use waterline.  Then water will go straight, it might turn but I'm not sure, until it hits the end or another object.	Bought from Higsby
ZeusHamr		Z	250	-	Damages everyone. Including you.	Trade with a Grabback K on Hades Island

Navi Megachips (V1-4)

Note: All information for the four different version of the navi. Where different information is displayed in a list;

Name	Picture	Letter	Inflicts Damage	Element	Description
BeastMan		B	v1 v2 v3 v4	-

also note Roll does not have a v4 chip

Name	Picture	Letter	Inflicts Damage	Element	Description	Found
BeastMn		B	40 50 60 70	-	Claws travel diagonally across enemie's area, centering three panels ahead of you, and then head flys towards them on the row you were standing.	V2: Defeat the Alpha Version of that Navi V3: Defeat the Beta version of that Navi V4: Can be found in the BugFrag Trader in Secret Area 3
BowlMan		B	100 120 140 160	-	Bowling pins appear in a row, then BowlMan hits them and they fly towards enemies.
BubblMn		B	20 20 20 20	Water	Appears where you were standing and fires many harpoons along the row.
DarkMan		D	30 30 30 30	-	Bats appear at the top of enemy area and travel downwards, hitting anything in the way.
DesrtMn		D	120 140 160 180	-	Hands travel towards enemy on the row above and below you, also turning panels to sand.
DrillMn		D	70 90 110 130	-	Drills fire from back of area towards enemy, then appear underneath area diagonally and fly upwards.
FlamMan		F	120 150 180 210	Fire	Shoots fire along entire row.
FlashMn		F	50 70 90 120	Electric	Attacks all enemies on all panels with electricity.
GutsMan		G	50 70 90 100	-	Slams down fists and breaks all panels in front of him on all rows.
JapanMn		Y	40 45 50 55	-	Appears and attacks the column two panels in front of him with spear.
KingMan		K	140 170 200 240	-	Jumps and lands three squares ahead, damaging enemies there and any above, below, ahead and behind of him in a one-panel radius.
MetalMn		M	100 130 160 190	-	Slams fist down on square in front of him. Panel will also be destroyed.
MistMan		M	90 110 130 150	-	Mistman appears from lamp and punches enemies.
PlantMn		P	20 30 40 50	Wood	Enemies are caught in weeds and take damage. Weeds remain for a few seconds after PlantMan vanishes.
ProtoMn		B	160 180 200 220	-	Slashes at every enemy individually, no matter where they are.
Punk		P	180	-	Acts like a Ratton, moving forward then upward or downward to seek nearest enemy and attack.	Technically only available from a Capcom Event.
Roll		R	20 30 40	-	Heals 20HP and attacks one enemy Heals 30HP and attacks one enemy Heals 40HP and attacks one enemy	Receive from Mayl at various points in the game.