Before that happens, however, it seems several details and even a few screenshots from the game have leaked on Reddit, supposedly following a recent playtest.
Finally, the leak mentions that Redfall will be entirely playable solo or in co-op, which, of course, has been officially confirmed as well.
Meanwhile, there will supposedly of a total of six playable characters, with each of them having their own unique ability.
Speaking of which, you can check out the screenshots in the Reddit post through the link above.