Metroid Prime 2 Unlockable Extras

Just like in MP1, Metroid Prime 2 has a bunch of extras that can be unlocked when certain criteria are met. Below is a list of what can be unlocked and the criteria required to unlock it.

.:Hard Mode:.
:: Beat The Game Once On Normal Mode.

.:Art Galleries:.
:: Promotional Gallery (40% Scans)
:: Character Gallery (60% Scans)
:: Creature Gallery (80% Scans)
:: Boss Gallery (100% Scans)
:: Rough Scetch Gallery (Beat Normal Difficulty)
:: Storyboard Gallery (Beat Hard Difficulty)

.:Cinemas:.
:: See Samus Without Suit (75% Items Collected)
:: Special Dark Samus Ending (100% Items Collected)

.:Multiplayer Unlockables:.
:: Luminoth Soundtrack (Talk to U-Mos for the first time)
:: Private Fear S'track (Re-energise Agon Temple and talk to U-Mos)
:: Torvus Bog Soundtrack (Restore Energy to Tarvus and talk to U-Mos)
:: Sanctuary Soundtrack (Restore Energy to Sanctuary and talk to Umos)
:: Darkness and Dark Echoes Soundtracks (Complete The Game)
:: Pipeline Arena (Restore Energy to Tarvus and talk to U-Mos)
:: Spires Arena (Restore Energy to Sanctuary and talk to Umos)