Here is the full list of all 26 Spaceship Looter achievements.
Unlock the Federation Spy
Kill the first boss
Penetrate a spaceship pirates
Save all the NPC
Go training with Brain
Finish first location without damage
Make 10 purchases
Shoot the enemies 100 electric bullets
Kill 100 enemies lamps
Buy the most expensive transfer
Kill the second boss
Kill the third boss
Kill the fourth boss
Kill the fifth boss
Blast 100 barrels of acid
Activate the 50 monoliths
Run 100 platforms for cargo
Unlock Reptile Mutant
Unlock Robot Cleaner
Unlock Scientist of the future
Commandos Joker done his job!
Federation Spy done his job!
Reptile Mutant done his job!
Robot Cleaner done his job!
Scientist from the future done his job!
Find all the items!