I would say probably more 451 games (essentially synonymous with Immersive Sims) where there’s almost always a door with the code 0451, a reference to System Shock, where the first door uses this code as a reference to Fahrenheit 451. In the end you’re right, but it’s more a reference to this repeated reference (which is in itself a reference) than a reference to the book itself.
Fahrenheit 451
I would say probably more 451 games (essentially synonymous with Immersive Sims) where there’s almost always a door with the code 0451, a reference to System Shock, where the first door uses this code as a reference to Fahrenheit 451. In the end you’re right, but it’s more a reference to this repeated reference (which is in itself a reference) than a reference to the book itself.