Apparently, "Added a star to each extra game-mode's menu to indicate whether or not it has been completed." from the Day 1 Patch didn't actually go through. This time, it should be functioning correctly.
Day 1 Patch (The thing that didn't patch correctly)
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.