Here is the full list of all 48 The Spatials achievements.
Completed 1000 bounties
Had 1000 officers go into stasis
Found 10 collectible objects
Visited by 100000 visitors
Killed 10000 enemies
Made 10000000 credits
Leveled one officer to level 30
100 officers resigned
Completed 1000 contracts
Manufactured 1000000 products
Unlocked the entire tech tree
Conquered 100 planets
Recycled 1000 items
Built 10000 floor tiles
Visited by 10000 visitors
Built 1000 objects
Defeated the big bad end boss and saved the galaxy
Leveled one officer to level 20
Blorg will now visit the station
Made 1000000 credits
Completed 100 bounties
Manufactured 100000 products
Hired 100 officers
Nogi will now visit the station
Failed 100 contracts
Crusantians will now visit the station
Completed 100 contracts
Visited by 1000 visitors
Lemurians will now visit the station
Leveled one officer to level 10
Made 100000 credits
Manufactured 10000 products
Killed a boss of WTF quality for the first time
Completed 10 contracts
Killed 1000 enemies
Visited by 100 visitors
Manufactured 1000 products
Hired an officer for the first time
Completed 10 bounties
Killed a boss of hard quality for the first time
Manufactured 100 products
Completed your first contract
Unlocked your first tech node
Killed 100 enemies
Your first visitor has landed in the station
Completed a mission for the first time
Killed a boss of normal quality for the first time
Landed on a planet for the first time