Check Yai's message board.
Amazon.
11922911
The passcode is 11922911.
you can't
you have to buy the game
455
Jnhhnhnnunnjnnu
it goes to a memory flashback
it unlocks old computer
Go to Megaman's custom screen and go right
I do not think you can, as there would be inconsistencies with the library.
Signed, ANONYMOUS