The file refers to a PC demo for a Rock Paper Scissors (RPS) "strip" game featuring Bowsette (the fan-made gender-bent version of Bowser). Context & Gameplay
It is a mini adult game where players compete in Rock Paper Scissors matches. RPSstripBowsettPCdemo.7z
The game features "Bowsett" (Bowsette) alongside other popular fan-service characters like D.Va (Overwatch), Kasumi (DOA), Princess Zelda , and Hatsune Miku , as detailed in development polls on Patreon . The file refers to a PC demo for
Collections containing the demo can often be found on indie game hosting sites like itch.io . Technical Warning and Hatsune Miku