Here is the full list of all 16 Space Cats Tactics achievements.
Die at least once
Destroy 3 ships in one attack
Helped the merchant
Have 3 rooms on fire
Destroy 5 ships in one turn
I am prrroud of you!
You achieved the bad ending
Destroy enemies in gas cloud
Don't listen to Biski
You robbed the poor merchant. Rude.
Collect any 10 gems
Collect 10 salvage parts
Collect 20,000 credits
Defeat dog
Die zero times in a run
Finished the game with both endings