Here is the full list of all 27 Spacebourne achievements.
Complete False Prophet Side Missions
Build A Resistance
Capture and Sell 10 Slaves
Buy Cargo Slots from the Galaxy Bank
Meet With Xziax's Leader
Earn Money From Drone Races
Collect A Bounty
Meet With Tor-11
Find a cure to your disease
Buy A New Ship
Level up your character to Level 20
Find a Black Market
Enter a WormHole
Land To Ganan City
Use Stargate 50 Times
Help Teoner to Rob Galaxy Bank
Help someone without accepting any reward
Level up your character to Level 10
Kill 100 enemies
Get a Drone
Complete tutorial mission.
Kill your first enemy
Kill 1000 enemies
Level up your character to Level 30
Earn Money From Dice Poker
Complete all stages in a wormhole and kill the WormHole Boss
Finish The Game