Zero mini-game:
Beat the game.
Copy-X mini-game:
Beat the game on hard.
Fefnir mini-game:
Beat every mission with 100 points.
Leviathan mini-game:
Beat every mission with 100 points.
Harpuia mini-game:
Beat the game with only the Zet Zaber and "S" rankings.
Ciel mini-game:
Beat the game with an "S" in every mission.
Phantom mini-game:
Beat the game with only the Buster Shot and "S" rankings.
X mini-game:
Beat the game, then use the same saved file to beat the game again in hard mode.
Hard difficulty setting:
Beat the game, then highlight "New Game," hold L and press Start.
Ultimate difficulty setting:
Beat the game after collecting all the hidden disks. Then highlight "New Game," hold R and press Start.
Secrets
Change Enemies In Cyberworld
Get a Maga Man battle network 4 Red Sun or Blue Moon. You will need two GBA/SP, and a GBA link cable.
Go to Ciel's room in the place you go to after killing Omega. Press up
in front of the computer then go to Transmission and In Red Sun/Blue
Moon, go to Comm. Then you have to go to trade chips, and trade any chip
into Zero 3. In Red Sun/Blue Moon, you will get a secret chip. In Zero
3, all Cyberworld enemies will be changed.
Fight phantom
On the second to last level, go into the first hyperspace portal and while you are riding the platforms, you should find a door. This
door leads you to 2 disks and a portal. When you go into the portal,
you will fight phantom from Megaman Zero 1.
