Complex sentence: The game also contains several in-jokes that attempt to fill in plot holes in the film; a scene in the game's final level attempts to explain the inexplicable disappearance of main character Peter from the movie's final act.
Split into simpler sentences: The game also contains several in-jokes that attempt to fill in plot holes in the film. For example, a scene in the game's final level attempts to explain the inexplicable disappearance of main character Peter from the movie's final act.