Team Fortress 2 is due the Scream Fortress update and Valve beseech the community to come up with their best Halloween-themed accessories and cram them in the Steam Workshop.
All items must be received by October 1st if they’ve a chance at being included. If you can’t create something then vote your gaming heart out so the best can rise above the rabble.
Items that can be created include headgear, weapons and miscellaneous nonsense for laughs. Check out the Team Fortress 2 Steam Workshop for what takes your fancy.