Here is the full list of all 29 Zodiac DX achievements.
Collect every star in the game
Win the maximum prize in a bonus game
Collect all 5 Bonus Crests
Acquire the 1up Crest in Stage 1
Destroy every reflection on the bridge in Stage 2
Destroy every flying lantern in Stage 3
Defeat the great snakes in Stage 4 without taking damage
Defeat your dark copy in Stage 5 without taking damage
Pass all the platforms in Stage 6 without falling
Complete a stage without taking damage
Complete a stage with every character during a single game
Complete Story Mode on any difficulty
Complete Story Mode on Maniac difficulty
Complete Story Mode on any difficulty using only Miah
Complete Story Mode on any difficulty using only Dani
Complete Story Mode on any difficulty using only Cyra
Complete all modes in the game on any difficulty
Complete all modes in the game on Maniac difficulty
Complete Story Mode on Maniac difficulty using only Miah
Complete Story Mode on Maniac difficulty using only Dani
Complete Story Mode on Maniac difficulty using only Cyra
Defeat all 6 bosses in Boss SP on any difficulty
Defeat all 6 bosses in Boss SP on Maniac difficulty
Earn Maniac rank in Boss SP on any difficulty
Earn Maniac rank in Boss SP on Maniac difficulty
Defeat all 3 players in Card SP on any difficulty
Defeat all 3 players in Card SP on Maniac difficulty
Earn Maniac rank in Card SP on any difficulty
Earn Maniac rank in Card SP on Maniac difficulty