Hey guys this is how to get the Red Herring hidden steam holiday badge. It's really easy and free.

1.) Go to store.steampowered.com/app/253750/ (It's best on chrome)
2.) When your at the front page of the game, type on your keyboard "search"
3.) After typing "search" on your keyboard, a box will apear, type "1v7531" and press "enter"
4.) And there you go, free 100 xp and a free badge :)