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