Here is the full list of all 23 Wargroove achievements.
Complete all missions in Act 6.
Complete an arcade run.
Complete all puzzles.
Create a custom map.
Win a skirmish game.
Play a downloaded map.
Complete all missions in Act 5.
Use every Groove once.
Complete a puzzle.
Complete all missions in Act 4.
Complete all missions in Act 3.
Complete all missions in Act 2.
Complete all missions in Act 1.
Use a Groove.
Complete the prologue.
Win an online match in Quick Play.
Complete an Arcade in hard difficulty.
Complete "An Ancient Adversary".
Complete "The Enemy Within".
Collect 200 stars.
Obtain an S-Rank on every campaign mission.
Complete all arcade runs.
Unlock every item in the gallery.