Here is the full list of all 42 Space Pirates And Zombies 2 achievements.
You have explored all the territories.
Complete the story
Clear the galaxy of infection
You destroyed 10 starbases
You started an alliance with another faction.
You destroyed 100 motherships
You defeated 15 zombie captains
You won a bounty duel vs. another captain.
You destroyed a tier 3 bandit hive.
You destroyed 3 Fail Gates
You defeated 5 zombie captains
You defeated a faction leader in battle.
You Destroyed 3 starbases
You destroyed a starbase
You cured a zombie captain using a ton of Rez.
You defeated 1 zombie captain
You destroyed 1 Fail Gate
You joined 15 Battles
Meet someone from your past and blow up their stuff
You paid off your own bounty.
You demanded the surrender of another captain for fun and profit.
You joined 5 battles
You destroyed 10 motherships
Investigate the zombie signal
You killed a bandit Chief.
Don't worry, it was just a bandit.
You joined 1 battle
Blow up some defenseless strike craft.
Learn how to command strike craft
Systems checks complete!
Fixed your ship while in a combat level.
The bane of Carl's existence.
You beat 1 champion level Arena
You beat 5 champion level Arenas
You beat 15 champion level Arenas
You destroyed 10 Fail Gates
You executed a captain stuck in their escape pod.
You did a little tinkering with a podded captain's mind.
Converted an unneeded part into scrap in the inventory screen.
You have found all the lore.
You have custom ordered a part from the catalog.
You stole a faction member from another faction.