It's called the DuoDuo SNAC by akicus. This is a evolution of the DuoDuo pcb with the added SNAC feature. It has the same 2-Player Saturn and 2-Player Genesis/Megadrive support but adds the SNAC feature...

It's called the DuoDuo by akicus which is a USB based controller board, NOT SNAC. The idea behind it is that SNAC adapters for 2-Player Saturn and 2-Player Genesis/Megadrive does not exist and a lot...