Here is the full list of all 16 500 Years Act 1 achievements.
Skip a battle.
Skip 10 Battles
Defeat every enemy ship type.
Defeat ant hive.
Defeat pirate queen.
Defeat human destroyer.
Get all power ups for the ship.
Complete Act 1.
Complete game without skipping any battles.
Save Mary.
Recruit Jarvis.
Recruit Frank.
Recruit Yepp.
Visit every solar system.
Defeat Llaxon Destroyer.
Recruit Clarence.