Here is the full list of all 32 Asteroid Bounty Hunter achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Unlock all ships in shipyard.
Kill Jack, brotherly love.
Destroy 1000 bounty hunters.
Kill Lynda, never liked her anyways, so boring.
Destroy 10000 asteroids.
Add your own music in game
Reach player level 100.
Destroy 500 bounty hunters.
Clear level 1 on hard difficulty.
Clear level 1 on medium difficulty.
Spend over 50 upgrade points.
Kill Vega, who's this guy again?
Use Final blast 30 times.
Use Photon swarm 50 times.
Use Death ray 50 times.
Reach player level 50.
Kill Nix, I've slept with his wife as well.
Destroy 1000 asteroids.
Unlock new ship.
Destroy 100 bounty hunters.
Destroy 50 bounty hunters.
Kill DebrisLord, yeah, our first big fish.
Reach player level 10.
Destroy 10 bounty hunters.
Spend global upgrade point in shipyard.
Destroy 100 asteroids.
Reach player level 2.
Clear level 1 on easy difficulty.
Destroy bounty hunter.
Destroy 10 asteroids.
Reach player level 500.