Geek: The Nintendo Wii U controller is definitely unique, but it’s by no means the craziest input device ever made. For as long as people have been gaming, hardware designers have been trying to reinvent the way they do it, and that has produced a long line of strange experiments. Some of them fell flat. Others weren’t great, but innovated in ways that made a lasting impression. A few were even pretty good on their own. No matter how well they succeeded, all of them were unusual enough to earn confused expressions at first glance. Here are some of the most bizarre controllers ever, and why they’ve got a place in gaming history.