Here is the full list of all 23 Wargroove achievements.
Complete all puzzles.
Win an online match in Quick Play.
Complete an arcade run.
Complete "An Ancient Adversary".
Use every Groove once.
Complete all missions in Act 6.
Complete all missions in Act 5.
Complete all missions in Act 4.
Complete a puzzle.
Complete all missions in Act 3.
Play a downloaded map.
Win a skirmish game.
Complete all missions in Act 2.
Create a custom map.
Complete all missions in Act 1.
Use a Groove.
Complete the prologue.
Complete an Arcade in hard difficulty.
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.