Hat Trick is an achievement that requires you to complete any two missions on any difficulty level. Completing this achievment unlocks a special parasite hat for the Valve game Team Fortress 2.


  • Grab some buddies, play on easy, and get your darned hat!


  • In Team Fortress 2, when you die, the parasite hat splits in two, as in Alien Swarm where several parasites come out of you when you die.
  • In Team Fortress 2, the parasite hat is the second hat that consists of a living creature, after the triboniophorus tyrannus.
  • In Team Fortress 2, it is currently the only hat that features different positions on each of the characters' heads.

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