From Team Fortress Wiki
- The Vox Diabolus was added to the game.
- [Undocumented] The Vox Diabolus was made tradable and craftable.
- "Vox Populi" is Latin for voice of the people, and is also the name of a rebel group in BioShock Infinite. "Vox Diabolus" is pseudo-Latin for voice of the Devil.
- The Vox Diabolus is based on the headpiece worn by multiple Vox Populi members in Bioshock Infinite.
Image featuring every BioShock Infinite hat on the Official Website.
- BioShock Infinite
- Blind Justice
- Pounding Father
- Sydney Straw Boat
- Steel Songbird
- Person in the Iron Mask