Hey Guys!
Some users have been experiencing sensitivity issues (mouse not working).
If you have this problem. Go into a stage and press ESC set your sensitivity and press save. Hopefully this fixes your problem.
Best,
Raymond Leung
Sensitivity Issues
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.