"Graphical issues" refers to problems or glitches related to the visual aspects of digital content, such as images, videos, or user interfaces. Full definition
Despite lots of graphical issues and a little bit repetitive gameplay, the game gives players almost ten hours of immersive atmosphere and tension. (metacritic.com)
After downloading this game at no cost I can't say that I have any complaints other than a few random graphical issues here and there. (metacritic.com)