Here is the full list of all 22 OPUS: Rocket of Whispers achievements.
Complete the main story
Complete Rocket 18
Find 60 types of materials
Repair 10 artifacts
Inspect 20 objects in the factory
Complete Rocket 14
Visit 70 locations
Repair 6 artifacts
Find 40 types of materials
Visit 40 locations
Repair 3 artifacts
Repair 1 artifact
Find 25 types of materials
Inspect 10 objects in the factory
Complete Rocket 13
Visit 20 locations
Inspect 5 objects in the factory
Find 10 types of materials
Visit 10 locations
Find 3 types of materials
Visit 3 locations
Inspect 1 object in the factory