Mega Man Zero 4 Cheats for Gameboy Advance
Unlock Hard Mode:
Successfully complete the game.
Unlock Hammer Harvest Mini-Game:
Complete the game in less than one hour.
Unlock Magma Border Mini-Game:
Complete the game with a complete database.
Unlock Wood Chopping Mini-Game:
Complete the game with an overall 'S' rank.
Unlock Busy Basket Mini-Game:
In Hard difficulty setting successfully complete the game.
Unlock Ultimate Mode:
Complete the game with a fully upgraded Cyber Elf and ALL 51 parts.
Unlock Elf Chase Mini-Game:
Complete the game without making any chip recipes (parts and recipes can still be collected).
Unlock Plant Panic Mini-Game:
Complete the game in Normal or Hard difficulty setting with a Level 0 Cyber Elf.
Unlock Energy Laboratory Mini-Game:
Beat the high scores of ALL the other mini-games.