Successfully complete the game on the Normal difficulty setting to unlock the Hard difficulty setting. Successfully complete and save the game with both Vent and Aile on the Normal or Hard difficulty setting. Start a new game with the cleared game file and you can keep Model X after getting Model ZX.
Mega Man Zero 3 Bosses:
Mega Man Zero 4 Bosses:
Crusher-F: Defeat any two Bosses
Fistleo: Defeat Fistleo while avoiding his head.
Free Birthday Cake:
January 31, 2007 - 10:04am