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