Not to shoot down your idea or something, but just coming up with some kind of weird rhetorical question as topic title and answering yes on it yourself isn't really giving an idea.
There's another thread where someone even made a 2D mockup, if you want multiplayer so badly you'll need to script a server, and you'll need to think of a new way as to how the gameplay works, you'll need to make new maps and heck I don't know what more.
Think out your ideas before you start a thread and share it with us in your first post.