http://metroid.wikia.com/wiki/Metroid_1.5
Shit just got real. Design docs for what would eventually become Echoes, complete with some crazy concept art and bizarre but potentially cool ideas, including… a giant mecha battle multiplayer mode? Um, what?
Fun stuff I noticed:
-The reason Echoes’ pirates look so different from Prime’s is that they were meant to be a hybrid with an unidentified race
-Like Sheegoths, their hearts were meant to be exposed weakpoints with breakable armor.
-The document specifies that Echoes would have no ammo system, so melee attacks would be just for fun. >_>
-A lot of concept art was misidentified as being for, say, Dark Samus when it was actually a new enemy entirely.
-Multiplayer Omega Pirate boss fight. Whoah.
-Multiple hunters with unique alt-forms.
-Optional upgrades that power you up but also power up Dark Samus.
-Took place entirely on a ship, and bragged about how they could reuse corridors. … Right.
-Also, they noted that the other hunters and coop would be fun, but were worried about it not being Metroid enough.
Fascinating stuff. I almost want to see this get made as a fangame or something, actually, but that’ll never happen.