Atari provided nearly every imaginable type of controller
for its Atari 2600 VCS. Joysticks, paddles, driving controllers,
keypads, video touch pads, kids controller, Pro-Line controller, Space
Age Controller. Other unreleased items were The Graduate computer
add-on, the Voice Commander, The MindLink and several others which didn't
make it past the drawing boards.
The Atari Paddle Controllers were compatible with both
the Atari 2600 line and also the Atari computer line.