Here is the full list of all 28 Interstellaria achievements.
Take on multiple ships without taking any damage
Leave combat with less than 1 armor
Robots listen to orders. They can't carry guns or armor. No understanding between the hand and brain without hearts as mediators.
Return to space from a planet with less than or equal to 1 health left
You've stopped the abductions, and claimed the $1,000,000dy reward!
You took on a big enemy.
Abduuuctoooorssss!! You've taken one on in person, and lived!
You've traveled to an odd planet, and found important information.
You've met with a shady character.
Adventure onto a planet without other crewmen. Maybe your crewmen has the illusion of free will?
You've uncovered a terrible truth
Find a hidden sector of space.
We've found an important world to the enemy. Where will it lead us?
A crewmen has made a new friend. For life.
You have $200,000dy liquid cash. You've made enough money to dream of electric sheep
Take on 3 ships with 1, and win!
Your new crib is mad fly
Your action may have changed the course of the future.
You've aided another race in their cause
You've aided in an important clean up!
Found an ancient slab
You've beaten a stereotypical villain, but what was his motivation?
Hey, it's the Interstellaria! So that's what it is!
Trading is the most lucrative method of getting money!
You've completed the tutorial, now upgrade your starmap to unlock all available planets!
You're alone in the galaxy. Find help!
You've fought a very powerful alien vessel, and lost.
You've taken control of a single crewmen. Now to build up to fleet!