The Nintendo Switch is one of the main platforms that arcade sticks are often compatible with, and it has some decent fighting games to play.
The Haute42 M16 can also be a WASD controller. As for the M13 edition, it has three less buttons than the M16.
Choose one of more than a dozen all-button layouts when ordering the slim and mini SL-X controller from BattleMonkey.
The Punk Workshop Leverless U provides a plethora of features, such as slimness, many layouts, different colors, and custom art.
The nanoGRAM is the size of a card, making it one of the smallest Smash controllers (if not the smallest).
The GRAM PRI$M allows you to play Smash and other titles ergonomically with a variety of possible layouts.
The SGF Faust is a mini stickless controller with LED plus a TRS jack for external input sources like foot pedals.
The Glyph is a modular all-button controller that is available in layouts for games from Smash to Street Fighter.
The Neobox Core0 is a slim acrylic all-button controller that is here in order to serve your need for RGB LEDs.