This Module is currently available.
Gamepad Expander to connect a Sega (Genesis) Gamepad
Standalone Gamepad expander for the NerdSEQ.
It can be used standalone without any NerdSEQ Midi Interface or together with the Multi-IO Expander to still allow the Gamepad functionality.
The Frontpanel can also be easily removed to the connector print can be mounted somewhere in the Rack.
These merchants probably sell this module. Huh?
XOR Electronics Gamepad expander
XOR Electronics Gamepad Expander