Привет! Отключи обьемное освещение, оно много тоже жрет фпс.
Также через настройки экрана,добавить приложение и поставить на видеокарту(выбор где энергосбережения и тд)
Viewing post in Help, low fps in story mode
every physics object and prop you collect drop performance more and more unfortunately, and there's lots to collect, hopefully the dev takes some time to start learning unreal engine 4 optimization soon, it's painful but it would help a lot with the game's issues considering a lot of bugs also seem to be tied to fps