Here is the full list of all 52 Infinite Space III: Sea of Stars achievements.
Become a Starport Derelict
End the Urluquai Crusade
Destroy 100 Hostile Ships
Find a Home For the Sardions
Sell a Lifeform To Science
Build a Flotilla Of Six Ships
Wipe Out the Kawangi
Flee And Re-deploy a Ship
Put Down Swamp Pirate Rebellion
Raid the Starship Graveyard
Loot the Tchorak Garbage Dump
Make Friends With the Tchorak
Destroy Three Fighters With One Shot
Find Phredd
Travel Through a Black Hole
Upgrade an Alien Ship Hull
Play as Captain Bernie Sanders
Explore 100 Star Systems
Destroy 100 Hostile Fighters
Repair a Wrecked Fighter
Encounter All Regular Races
Trade At a Hostile Homeworld
Board a Drifting Space Hulk
Obtain Thunderbucket
Survive an Urluquai Ambush
Defeat the Ravian Invasion
Destroy a Hostile Spacecraft
Fire Particle Vortex Cannon
Upgrade your Ship Hull
Explore 10 Star Systems
Trade at Swap Meet
Win a Battle
Ally With Someone In Combat
Deploy a Ship During Encounter
Finish the How To Play Section
Sleep For a Long Time
Win 100 battles
Receive an Item You Wished For
See a Cloaked Ship
Explore 1000 Star Systems
Destroy 25 Tan Ru Decimators
Destroy 1000 Hostile Ships
Discover All the Black Holes On the Map
Destroy a Cloaked Enemy
Destroy a Tchorak Vent Mother
Take Control of Starship Damocles
Explore the Sector Before Time Runs Out
Destroy 10000 Hostile Ships
Become Glory System President
Travel Between Stars Aykroyd And Belushi
Destroy the Kawangi With No Collateral Damage
Destroy Primordius