Street Fighter II, Mortal Kombat, King of Fighters – 6-button, 8-way.
Metal Slug, Contra – 8-way + 2–3 buttons.
Tempest, Asteroids – Spinner/trackball preferred, but stick works.
Modern Use
Fight sticks (Hori, Qanba, Razer, Victrix, 8BitDo) are standard for competitive fighting games on PC/console. DIY kits (Brook UFB, GP2040-CE) let you build custom.