Punk Workshop describes the PE as its slimmest & lightest controller yet, and its photoelectric switches are ultra fast.
Available in different colors, the VoltPad has WASD directional buttons accompanied by attack buttons in a modified Vewlix layout.
The Familiar is a DIY enclosure with interesting design elements like a detachable magnetic bottom and even a detachable nylon strap.
The Pocket Controller is about the size of a bigger smartphone, and a couple of its buttons are almost pill-shaped.
You can enjoy the Varmilo JZA1's outrageous 19-button layout with a wired or wireless connection, and it's available in other artworks too.
If the Mad Catz NEKO's buttons are too many for your needs, then the NEKO KO's lesser buttons might appeal to you.
You can use the Hori Arcade Classic Pro's ball-top joystick, rotary joystick, trackball, and spinner modules with your right or left hand.
The HauteBox One is a wireless split-layout controller with lever and leverless modules that are interchangeable.