@SpudsMcToole And I know that it works, I just wanted to help you solving the puzzle in retrospective. 🔍🙂

In the end, I connected a mouse to play Arkanoid in lr-mame2003, and it worked from the off. Xbox 360 controller just too baggy and too huge a deadzone to make it playable. Thanks for advice though.

I order https://www.campz.ch/mcnett-aquapak-epoxy-reparaturharz-236208.html Is this ok?