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