Here is the full list of all 25 28 achievements.
The base game contains 20 achievements, and there is 1 DLC pack containing 5 achievements.
[Sunset Walk] Stage – Hard difficulty Full Combo achieved.
[Dan-ger] Stage – Hard difficulty Full Combo achieved.
[Zone] Stage – Hard difficulty Full Combo achieved.
[Carnival] Stage – Hard difficulty Full Combo achieved.
[Youth] Stage – Hard difficulty Full Combo achieved.