How to get multiplayer Extras

You can unlock some multiplayer extras in the game by doing certain things. Below is a list of all the multiplayer unlockables and their requirements.

Unlockables	Requirements
Soundtracks
Luminoth	Talk to U-Mos for the first time
Pirate Fear	Restore Agon Wastes' energy and talk to U-Mos
Torvus Bog	Restore Torvus Bog's energy and talk to U-Mos
Sanctuary	Restore Santuary Fortress' energy and talk to U-Mos
Darkness	Finish the game
Dark Echoes	Finish the game
Arenas
Pipeline	Restore Torvus Bog's energy and talk to U-Mos
Spires	Restore Sanctuary Fortress' energy and talk to U-Mos