Here is the full list of all 12 DIVE: Starpath achievements.
Cleared Amasia in one shot
Cleared Zura in one shot
Cleared Aitesse in one shot
Cleared Ico in one shot
Cleared Planet Ico
Cleared Planet Amasia
Cleared Planet Zura
Cleared Planet Aitesse
Cleared Planet Medeina
Cleared the end credits
Cleared Medeina in one shot
Looked at the credits