This item has three styles, named "Normal", "Demoman", and "Pyro". The "Demoman" style gives Tux an eyepatch, while the "Pyro" style gives Tux Pyro's gas mask and turns the flippers grey to resemble Pyro's boots.
This item was awarded to players who launched Team Fortress 2 using any Linux distribution between February 14th, 2013 and March 1st, 2013. The Tux was still obtainable in-game past the original stated date. It was not until mid to late-March that the Tux finally became unobtainable.
- Tux was added to the game.
- [Undocumented] Tux now counts as assister in Pyroland.
- Added the Limited attribute to the Tux.
- Although Valve initially said the Tux would become tradable once the promotion was over, it has not been done and it is unknown whether it will eventually happen or not.
- Tux's name is derived from the acronym "Torvalds' UniX," after Linux kernel developer Linus Torvalds and the Unix operating system.
- A tuxedo, or "tux" for short, is also casually referred to as a penguin suit.