Arenas/Trivia
- Hey, It's That Sound: In "Chosen By The Vadrigar", you can hear the classic Doom Doors and many of the original monster's sound from the first Doom.
- Of course, bearing in mind the inspiration, you can also hear plenty of Quake III Arena's noises as well.
- Quite a few Half Life noises appear aswell.
- Hey, It's That Voice!: The Q3A's announcer.