Posted September 13, 2018
I don't own it so not sure if it already works, but I think it will activate in one hour when the dlc releases on Steam, not sure about gog.
DLC page is https://store.steampowered.com/app/787340/A_Hat_in_Time__Seal_the_Deal/
Info on
https://www.destructoid.com/a-hat-in-time-gets-free-story-dlc-and-a-cooperative-mode-in-september-518665.phtml
DLC page is https://store.steampowered.com/app/787340/A_Hat_in_Time__Seal_the_Deal/
Info on
https://www.destructoid.com/a-hat-in-time-gets-free-story-dlc-and-a-cooperative-mode-in-september-518665.phtml