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