Metroid Prime
In-game reset:
Hold Start + B + X for two to three seconds during game play.
Classic Metroid game:
Note: This trick requires Metroid Fusion and the Game Boy Advance
and a link cable. Successfully complete Metroid Fusion and save
the game. Connect both games with the link cable to unlock the
classic NES version of Metroid.
To unlock the classic Metroid (via a link cable,Game Boy Advance,
Metroid Fusion and completed Metroid Prime data), press Z at the
main menu to highlight "Password", then enter
JUSTIN BAILEY ------ ------
Metroid Fusion costume:
Note: This trick requires Metroid Fusion and the Game Boy Advance
and a link cable. Successfully complete Metroid Prime and save
the game. Connect both games with the link cable to unlock
Samus' Metroid Fusion costume.
Image Gallery 1 option:
Complete 50% of the research and creature data scans.
Image Gallery 2 option:
Complete 100% of the research and creature data scans.
Image Gallery 3 option:
Successfully complete the game under the hard difficulty setting.
Image Gallery 4 option:
Find 100% of all power-ups. Note: This does not include the Log Book.
Note: The last picture in this gallery is that of Samus without
her suit in 3D.
Hard mode:
Successfully complete the game to unlock hard mode.
Alternate ending sequences:
Finish the game with a 74% or less completion percentage for the
normal ending sequence. Finish the game with a 75% to 99%
completion percentage to view an alternate ending sequence.
Finish the game with a 100% completion percentage to view the
best ending sequence.