The Minigolf: Dark Title update for Tower Unite has 7 achievements.
Play through each hole of Dark.
Get par or below for the course on Dark.
Get hole in one on Dark - Hole 4.
Get hole in one on Dark - Hole 9.
Get hole in one on Dark - Hole 8.
Get hole in one on Dark - Hole 7.
Play through each hole of Dark 10 times.