Unlock Hard Mode
Complete the game with a 100% completion percentage to unlock 'Hard Mode'.
100% success rate. 

Image Gallery 1
Complete 50% of the research and creature data scans to unlock Image Gallery 1.
100% success rate. 

Image Gallery 2
Complete 100% of the research and creature data scans to unlock Image Gallery 2.

Image Gallery 3
Complete the game on 'Hard Mode' to unlock Image Gallery 3.

Image Gallery 4
Find 100% of all power-ups to unlock Image Gallery 4.

Go to: Metroid Prime Info Page | nGaming Home Page.