Back in July of 2016, the Hat in Time developers mentioned on Twitter that the game would include a 2 player co-op mode on release. The tweet included a photo of Hat Kid next to a co-op partner.
Confusingly, I haven't been able to find any mention of a co-op mode in the final game. Additionally, the game's Steam page makes no mention of multiplayer, categorizing the game as single-player.
I was able to find a month-old video showing that co-op was possible in the beta with console commands, but I can't tell if this is still possible.
Does a Hat in Time feature co-op? If so, how do I activate it?