The store page for the game says a release date of today instead of the previously announced date of the 17th
On social media people are posting pictures of the game downloading and it is apparently playable
Edit: They took it down and stopped people from playing it. At least it was a fun few minutes
Someone probably wrongly changed the “released” setting for the incorrect steam listing. To send review copies they need to generate keys for a specific listing with a setting that overrides whatever the current public release state is, for example