Area 9 and True Ending
In order to access Area 9 and achieve the true ending, defeat the Mutant Lord at the end of Area 8 after defeating all other bosses, collecting all area maps and obtaining all upgrade items for SOPHIA, including Life Ups, Main/Sub Weapons and Maneuvers.
This is a FULL list of the areas in MegaMan Battle Network 2.
Megaman Battle Network 2
Area Modifier
82000dc4 XXXX
-------------
0:ACDC Metroline
1:Marine Harbor Metroline
2:Okuden Camp Entry
3:Den Airport
4:Net Airport
5:Netopia Park
6:Crew Room
7:Kotobuki
8:Penthouse...
Alien Mode
At the beginning of the game, shoot the first three (3) S.T.A.R.R. guys and nothing else. During this you may be shot once in a while but do not shoot back. The life comes back later and you will have alien eyesight plus your bullets look different!
Best and Worst Endings
For...
Hidden Level
On the forklift ride shoot all the barrels before and after the ride. There will be a parcially hidden barrel you will have to shoot to the left of the forklift. This will lead you to "egg cellent" where you shoot eggs and baby aliens.
Kronn Hunter Mode
To enter...