Ruitroliker Retro Classic Joystick Controller Gamepad for Atari 2600 Console System Black Dropship|Joysticks| - AliExpress
Classic Atari Joystick to USB Adapter - YouTube
eBay: Adapter to connect two joysticks Atari 2600 the PC via USB (NEW Dual Port PC Computer USB Port Controller Adapter for ATARI 2600 JOYSTICK) - Skooter Blog
9 pin to USB Dual Atari Joystick, Paddle, and Driving Adapter by iCode, DB9 Ports, Plus Edition : Video Games - Amazon.com