Here is the full list of all 45 Spacelines from the Far Out achievements.
Clean a toilet or a puddle of puke 30 times
Unlock 25 customizations
Identify 1000 objects in space
Fly a total of 20000 AU
Nail 200 dance moves
Heal 10 sick passengers
Acquire 30 system upgrades
Fly a ship with all 15 classes of systems installed
Unlock 6 ship blueprints
Exceed your ship's maximum passenger capacity
Nearly miss a comet
Fly 350 passengers
Get shut down by the health inspector
Pass 5 health inspections
Unlock 10 employees
Prepare 50 meals
Explode your ship 5 times
Run out of fuel 5 times
Run out of fuel once
Fly 200 passengers
Survive the tutorial
Buy ship insurance for the first time
Reach Gambulon V with a 5-star rating
Reach planet Gambulon V
Reach the Vacation Sector for the first time
Unlock 3 ship blueprints
Fly 100 passengers
Buy all 3 items at once at Droidley's
Unlock your first new employee
Repair 100 broken systems
Explode your ship once
Reach the Gamma Sector for the first time
Unlock a ship blueprint
Acquire your first system upgrade
Have your flight attendant vomit
Unlock a customization
Get a 5-star rating for the first time
Complete 5 routes while playing co-op (local or online)
Customize your spaceline for the first time
Arrive at the Company Terminal
Complete your first route
Unlock 50 customizations
Have 5 passengers simultaneously satisfied
Serve 200 meals
Unlock all achievements