Gamers of the 80’s and 90’s used Joystick’s with a 9 pin D connector this was referred to as the Kempston or Atari interface standard the Sinclair Spectrum, Commodore 64, Atari 8 Bit home computers and the 16 bit Atari ST and Commodore Amiga also used this type of joystick
The Competition Pro and Zip Stick stand out as the better-quality options for these models were available with microswitches instead of the cheaper metal contact switches, although lower cost models from Quickshot, Cheetah, Sinclair, Commodore were very common in any gamer’s setup
For the true retro experience, you can now connect a vintage 9 pin joystick to your A500 mini, c64 mini or PC via the J2USB retro joystick adapter