Kotaku writes: "As I said up top, Shadow Complex could never hope to be as good as the best Metroid and Castlevania games, and I don't think its developers expected it to be. What I've played so far - past an opening a little too in love with the past - shows signs of how this genre can move forward. I haven't even mentioned the XP system which adds a little RPG character growth for every discovered room, every kill - and a multiplier for more if the kills are done creatively.
Shadow Complex is looking like a strong new entry in a style of game that too few developers seem interested in trying to make. Maybe other developers are intimidated. The bravado evident in the well-paced action so far shows that these guys most certainly were not".