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