alt Hacker NewsPaused game does not equal paused process. It means the gameplay clock has paused.
The rendering loop continues to run. The GUI is immediate mode and is still rendered. In some games visual effects continue to be rendered. If it’s a networked game the network code will continue to run.
I think the parent comment still ought to stand. Unless you're saying it's literally infeasible for some reason, which I find hard to believe?