Have you played other Renpy games? Did you try the other render options? The only thing I can find is it maybe your graphic driver needs updating. https://www.renpy.org/doc/html/display_problems.html
Have you played other Renpy games? Did you try the other render options? The only thing I can find is it maybe your graphic driver needs updating. https://www.renpy.org/doc/html/display_problems.html