Yet again fixed more bugs, it should now properly unlock when you reach the checkpoints, 2,4 and 6, rather than when beating it and reaching 3,5 and 7.
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 13973686 · public branch
Steam updated · First observed
