Here is the full list of all 22 Panzer Dragoon: Remake achievements.
Finish level 4
Finish level 4 with shoot ratio >= 70%
Finish level 3
Finish level 3 with shoot ratio >= 70%
Finish level 2
Finish level 2 with shoot ratio >= 70%
Finish level 1
Finish level with hp >= 70%
Finish level 1 with shoot ratio >= 70%
Start game
Finish level 5
Finish level 6
Finish level 7
Open shadow menu
Finish level 5 with shoot ratio >= 70%
Finish level 6 with shoot ratio >= 70%
Finish level 7 on hard
Play level on god mode
Die at least once
Finish campaign on any difficulty without auto aim
Have 100+ hours in game
Finish a level without killing a non-boss enemy