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