Metroid Fusion Cheats
Charge up Charge Beam (if available), and do a Spin Jump.
Press Select + Start + A + B while playing the game to return to the main screen.
Samus without her helmet
Finish the game with a time less than three and a half hours and at least 48% of the items collected.
Gallery mode for the Japanese version
Finish the game to unlock the Gallery Mode option.
Unlock Samus without her suit
Finish the game with a time under 6:30 and all items (100%) to see Samus Aran without the suit, wearing something similar to a bathing suit. Or finish the game in under 2:00 with at least 50% of the items.
Delete saved data
When turning on your Game Boy Advance hold L + R. Keep the buttons held until the message "Do you want to erase all saved memory?" appears. Move the missile over to "Yes" and press A.
How to beat Ridley
While walking into the arena, charge up your beam and shoot it at Ridley. Perform this action for about seven to ten times. Ridley should get red quickly.
Hard difficulty setting for the Japanese version
Finish the game under normal difficulty to unlock the Hard Mode option.
Beat Ridley-X Easy
The trick to beat Ridley-X is to never use missles instead use charge beam.