Figure Passwords
Use these at the Figure Vending Machine in Access Tunnel E-1:

Effect - Passcode

Axl figure - 38184155
Marino figure - 02098772
Megaman X figure - 73001472
Zero figure - 29290141

Hard version
Successfully complete the game, then highlight the "New Game" option. Then, press Right(3), Left(2), Right, Start. That option will turn yellow, and you will now have a hard difficulty setting

Japanese version
To play the Japanese version of the game, successfully complete the game under the hard difficulty setting. Then, highlight the "Continue" option and press Left, Right, Left, Right(2), Left. That option will turn maroon. You can now play the original Japanese version of the game, known as RotsukuMan X Komanda Mishion

Mega Man X intermission series
To view old Mega Man scenes from all of the Mega Man X games, successfully complete the game under the hard difficulty setting. Then, highlight the "Continue" option and press Left(3), Right, Left,, Start. You can select the following
intermission sequences from the Mega Man X series, recorded on CD-ROM.

Mega Man X
Mega Man X2
Mega Man X3
Mega Man X4
Mega Man X5
Mega Man X6

Play as Proto Man
Successfully complete the game with Zero, depending on your game play. Then, highlight the "Continue" option and press Left, Right(2), Left(3), Right, Start. That option will turn red, and you will get to play as Proto man

Play as the Classic Mega Man
To play as the classic Mega Man, successfully complete the game. Then, highlight the "Continue" option and press Left(2), Right(2), Left, Right(2), Left(2), Start. That option will turn blue, and you can play as the Original Mega Man