Plenty of people still play Metroid 2! Heck, I actually just PBed today :P

E_Dragon, Metroid: Confrontation isn't a hack at all. It's a small standalone Game Maker game created by the developer of AM2R to show off his engine before he started releasing demos of the actual game, and it is pretty fun.

Good to know, I've been meaning to try nestroid 100% recently