The Tranquilizer Gun, also known as the Tranquilizer or Tranq, is a scrapped weapon for the Spy. It is a slim, silver matte pistol with a black grip, also bearing obvious resemblance and functionality with a real-life tranquilizer gun. The Spy can be seen wielding it in Trailer 1; however, the weapon was scrapped for officially-unknown reasons and replaced with the Revolver before the final release. A form of the weapon was also tested in the Beta.
The stats were confirmed to slow the enemy down by 50% and reduce mouse sensitivity by 60% for 6 seconds. It is claimed that the weapon was scrapped for being too annoying to play against, as well as being relatively overpowered.
A model and bucket icon for the Tranquilizer can be found in the game's files. Evidence can be found in
"TF_Weapon_Tranq" "Tranquilizer Gun"